 |
17/01/2006
|
USD/Barril
|
$63,31 Barril
|
|
|
05/09/2007
|
USD/Barril
|
75,73
|
|
|
25/02/2009
|
USD/Barril
|
42.50
|
|
|
18/01/2006
|
USD/Barril
|
$65,73 Barril
|
|
|
06/09/2007
|
USD/Barril
|
76.30
|
|
|
26/02/2009
|
USD/Barril
|
45.22
|
|
|
19/01/2006
|
USD/Barril
|
$66,83 Barril
|
|
|
07/09/2007
|
USD/Barril
|
76.70
|
|
|
27/02/2009
|
USD/Barril
|
44.76
|
|
|
20/01/2006
|
USD/Barril
|
$66,35 Barril
|
|
|
10/09/2007
|
USD/Barril
|
77,49
|
|
|
02/03/2009
|
USD/Barril
|
40.15
|
|
|
23/01/2006
|
USD/Barril
|
$68,10 Barril
|
|
|
11/09/2007
|
USD/Barril
|
78,23
|
|
|
03/03/2009
|
USD/Barril
|
41.65
|
|
|
24/01/2006
|
USD/Barril
|
78.5
|
|
|
12/09/2007
|
USD/Barril
|
79,91
|
|
|
04/03/2009
|
USD/Barril
|
45.38
|
|
|
24/01/2006
|
USD/Barril
|
$67,06 Barril
|
|
|
13/09/2007
|
USD/Barril
|
80,09
|
|
|
05/03/2009
|
USD/Barril
|
43.61
|
|
|
25/01/2006
|
USD/Barril
|
$65,85 Barril
|
|
|
14/09/2007
|
USD/Barril
|
79,10
|
|
|
06/03/2009
|
USD/Barril
|
45.52
|
|
|
26/01/2006
|
USD/Barril
|
$66,26 Barril
|
|
|
17/09/2007
|
USD/Barril
|
80,57
|
|
|
09/03/2009
|
USD/Barril
|
47.07
|
|
|
27/01/2006
|
USD/Barril
|
$67,76 Barril
|
|
|
20/09/2007
|
USD/Barril
|
83,32
|
|
|
10/03/2009
|
USD/Barril
|
45.71
|
|
|
30/01/2006
|
USD/Barril
|
$68,35 Barril
|
|
|
21/09/2007
|
USD/Barril
|
81,62
|
|
|
11/03/2009
|
USD/Barril
|
42.33
|
|
|
31/01/2006
|
USD/Barril
|
$67,92 Barril
|
|
|
24/09/2007
|
USD/Barril
|
80,95
|
|
|
12/03/2009
|
USD/Barril
|
47.03
|
|
|
01/02/2006
|
USD/Barril
|
$66,56 Barril
|
|
|
25/09/2007
|
USD/Barril
|
79.53
|
|
|
13/03/2009
|
USD/Barril
|
46.25
|
|
|
02/02/2006
|
USD/Barril
|
$64,68Barril
|
|
|
26/09/2007
|
USD/Barril
|
80.30
|
|
|
16/03/2009
|
USD/Barril
|
47.35
|
|
|
03/02/2006
|
USD/Barril
|
$65,37Barril
|
|
|
27/09/2007
|
USD/Barril
|
82.88
|
|
|
17/03/2009
|
USD/Barril
|
49.16
|
|
|
06/02/2006
|
USD/Barril
|
$65,11Barril
|
|
|
01/10/2007
|
USD/Barril
|
80.24
|
|
|
18/03/2009
|
USD/Barril
|
48.14
|
|
|
08/02/2006
|
USD/Barril
|
$62,55 Barril
|
|
|
02/10/2007
|
USD/Barril
|
80.05
|
|
|
19/03/2009
|
USD/Barril
|
51.61
|
|
|
09/02/2006
|
USD/Barril
|
$62,62 Barril
|
|
|
03/10/2007
|
USD/Barril
|
79.94
|
|
|
23/03/2009
|
USD/Barril
|
53.80
|
|
|
10/02/2006
|
USD/Barril
|
$61,84 Barril
|
|
|
04/10/2007
|
USD/Barril
|
81.44
|
|
|
24/03/2009
|
USD/Barril
|
53.98
|
|
|
13/02/2006
|
USD/Barril
|
$61,24 Barril
|
|
|
05/10/2007
|
USD/Barril
|
81.22
|
|
|
25/03/2009
|
USD/Barril
|
52.77
|
|
|
14/02/2006
|
USD/Barril
|
$59,57 Barril
|
|
|
08/10/2007
|
USD/Barril
|
79.02
|
|
|
26/03/2009
|
USD/Barril
|
54.34
|
|
|
15/02/2006
|
USD/Barril
|
$57.65 Barril
|
|
|
09/10/2007
|
USD/Barril
|
80.26
|
|
|
27/03/2009
|
USD/Barril
|
52.38
|
|
|
16/02/2006
|
USD/Barril
|
$58.46Barril
|
|
|
10/10/2007
|
USD/Barril
|
81.30
|
|
|
30/03/2009
|
USD/Barril
|
48.41
|
|
|
17/02/2006
|
USD/Barril
|
$59.88Barril
|
|
|
11/10/2007
|
USD/Barril
|
83.08
|
|
|
31/03/2009
|
USD/Barril
|
49.66
|
|
|
22/02/2006
|
USD/Barril
|
$61.01Barril
|
|
|
12/10/2007
|
USD/Barril
|
83.69
|
|
|
01/04/2009
|
USD/Barril
|
48.39
|
|
|
23/02/2006
|
USD/Barril
|
$60,54Barril
|
|
|
16/10/2007
|
USD/Barril
|
87.61
|
|
|
02/04/2009
|
USD/Barril
|
52.64
|
|
|
24/02/2006
|
USD/Barril
|
$62,91Barril
|
|
|
17/10/2007
|
USD/Barril
|
87.40
|
|
|
03/04/2009
|
USD/Barril
|
52.51
|
|
|
27/02/2006
|
USD/Barril
|
$61,00Barril
|
|
|
19/10/2007
|
USD/Barril
|
88.60
|
|
|
06/04/2009
|
USD/Barril
|
51.05
|
|
|
28/02/2006
|
USD/Barril
|
$61,41Barril
|
|
|
22/10/2007
|
USD/Barril
|
87.56
|
|
|
07/04/2009
|
USD/Barril
|
49.15
|
|
|
01/03/2006
|
USD/Barril
|
$61,97Barril
|
|
|
23/10/2007
|
USD/Barril
|
85.27
|
|
|
08/04/2009
|
USD/Barril
|
49.38
|
|
|
02/03/2006
|
USD/Barril
|
$63,36Barril
|
|
|
24/10/2007
|
USD/Barril
|
87.10
|
|
|
13/04/2009
|
USD/Barril
|
50.05
|
|
|
03/03/2006
|
USD/Barril
|
$63,67Barril
|
|
|
25/10/2007
|
USD/Barril
|
90.46
|
|
|
14/04/2009
|
USD/Barril
|
49.41
|
|
|
07/03/2006
|
USD/Barril
|
$61,58Barril
|
|
|
26/10/2007
|
USD/Barril
|
91.86
|
|
|
15/04/2009
|
USD/Barril
|
49.25
|
|
|
08/03/2006
|
USD/Barril
|
$60,02Barril
|
|
|
29/10/2007
|
USD/Barril
|
93.53
|
|
|
16/04/2009
|
USD/Barril
|
49.98
|
|
|
09/03/2006
|
USD/Barril
|
$60,47Barril
|
|
|
30/10/2007
|
USD/Barril
|
90.38
|
|
|
17/04/2009
|
USD/Barril
|
50.33
|
|
|
10/03/2006
|
USD/Barril
|
$59,96Barril
|
|
|
31/10/2007
|
USD/Barril
|
94.53
|
|
|
20/04/2009
|
USD/Barril
|
45.88
|
|
|
13/03/2006
|
USD/Barril
|
$61,77Barril
|
|
|
01/11/2007
|
USD/Barril
|
93.49
|
|
|
21/04/2009
|
USD/Barril
|
46.51
|
|
|
14/03/2006
|
USD/Barril
|
$63,10Barril
|
|
|
02/11/2007
|
USD/Barril
|
95.93
|
|
|
22/04/2009
|
USD/Barril
|
48.85
|
|
|
15/03/2006
|
USD/Barril
|
$62.17Barril
|
|
|
06/11/2007
|
USD/Barril
|
96.70
|
|
|
23/04/2009
|
USD/Barril
|
49.62
|
|
|
17/03/2006
|
USD/Barril
|
$62.77Barril
|
|
|
07/11/2007
|
USD/Barril
|
96.37
|
|
|
24/04/2009
|
USD/Barril
|
51.55
|
|
|
21/03/2006
|
USD/Barril
|
$60.57Barril
|
|
|
08/11/2007
|
USD/Barril
|
95.46
|
|
|
27/04/2009
|
USD/Barril
|
50.14
|
|
|
22/03/2006
|
USD/Barril
|
$61.77Barril
|
|
|
09/11/2007
|
USD/Barril
|
96.32
|
|
|
28/04/2009
|
USD/Barril
|
49.92
|
|
|
24/03/2006
|
USD/Barril
|
$64.26Barril
|
|
|
13/11/2007
|
USD/Barril
|
91.17
|
|
|
29/04/2009
|
USD/Barril
|
50.97
|
|
|
27/03/2006
|
USD/Barril
|
$64.16Barril
|
|
|
14/11/2007
|
USD/Barril
|
94.09
|
|
|
30/04/2009
|
USD/Barril
|
51.12
|
|
|
28/03/2006
|
USD/Barril
|
$66.07Barril
|
|
|
15/11/2007
|
USD/Barril
|
93.43
|
|
|
01/05/2009
|
USD/Barril
|
53.20
|
|
|
29/03/2006
|
USD/Barril
|
$66.45Barril
|
|
|
16/11/2007
|
USD/Barril
|
95.10
|
|
|
04/05/2009
|
USD/Barril
|
54.47
|
|
|
30/03/2006
|
USD/Barril
|
$67.15Barril
|
|
|
19/11/2007
|
USD/Barril
|
94.64
|
|
|
05/05/2009
|
USD/Barril
|
53.84
|
|
|
31/03/2006
|
USD/Barril
|
$66.63Barril
|
|
|
20/11/2007
|
USD/Barril
|
98.03
|
|
|
06/05/2009
|
USD/Barril
|
56.34
|
|
|
03/04/2006
|
USD/Barril
|
$66.74Barril
|
|
|
22/11/2007
|
USD/Barril
|
97.29
|
|
|
07/05/2009
|
USD/Barril
|
56.71
|
|
|
04/04/2006
|
USD/Barril
|
$66.23Barril
|
|
|
23/11/2007
|
USD/Barril
|
98.18
|
|
|
08/05/2009
|
USD/Barril
|
58.63
|
|
|
05/04/2006
|
USD/Barril
|
$67.07Barril
|
|
|
26/11/2007
|
USD/Barril
|
97.70
|
|
|
11/05/2009
|
USD/Barril
|
58.50
|
|
|
06/04/2006
|
USD/Barril
|
$67.94Barril
|
|
|
27/11/2007
|
USD/Barril
|
94.42
|
|
|
12/05/2009
|
USD/Barril
|
58.85
|
|
|
07/04/2006
|
USD/Barril
|
$67.39Barril
|
|
|
28/11/2007
|
USD/Barril
|
90.62
|
|
|
13/05/2009
|
USD/Barril
|
58.02
|
|
|
14/04/2006
|
USD/Barril
|
$68.98Barril
|
|
|
29/11/2007
|
USD/Barril
|
91.01
|
|
|
14/05/2009
|
USD/Barril
|
58.62
|
|
|
17/04/2006
|
USD/Barril
|
$70.40Barril
|
|
|
30/11/2007
|
USD/Barril
|
88.71
|
|
|
15/05/2009
|
USD/Barril
|
56.34
|
|
|
18/04/2006
|
USD/Barril
|
$71.35Barril
|
|
|
03/12/2007
|
USD/Barril
|
89.31
|
|
|
18/05/2009
|
USD/Barril
|
59.03
|
|
|
19/04/2006
|
USD/Barril
|
$72.17Barril
|
|
|
04/12/2007
|
USD/Barril
|
88.32
|
|
|
19/05/2009
|
USD/Barril
|
59.65
|
|
|
21/04/2006
|
USD/Barril
|
$75.17Barril
|
|
|
05/12/2007
|
USD/Barril
|
87.49
|
|
|
20/05/2009
|
USD/Barril
|
62.04
|
|
|
24/04/2006
|
USD/Barril
|
$73.33Barril
|
|
|
06/12/2007
|
USD/Barril
|
90.23
|
|
|
21/05/2009
|
USD/Barril
|
61.05
|
|
|
25/04/2006
|
USD/Barril
|
$72.88Barril
|
|
|
10/12/2007
|
USD/Barril
|
87.86
|
|
|
22/05/2009
|
USD/Barril
|
61.67
|
|
|
26/04/2006
|
USD/Barril
|
$71.93Barril
|
|
|
11/12/2007
|
USD/Barril
|
90.02
|
|
|
26/05/2009
|
USD/Barril
|
62.45
|
|
|
27/04/2006
|
USD/Barril
|
$70.97Barril
|
|
|
11/12/2007
|
USD/Barril
|
90.02
|
|
|
27/05/2009
|
USD/Barril
|
63.45
|
|
|
28/04/2006
|
USD/Barril
|
$71.88Barril
|
|
|
12/12/2007
|
USD/Barril
|
94.39
|
|
|
28/05/2009
|
USD/Barril
|
65.08
|
|
|
02/05/2006
|
USD/Barril
|
$74.61Barril
|
|
|
13/12/2007
|
USD/Barril
|
92.25
|
|
|
29/05/2009
|
USD/Barril
|
66.31
|
|
|
03/05/2006
|
USD/Barril
|
$72.28Barril
|
|
|
17/12/2007
|
USD/Barril
|
90.63
|
|
|
01/06/2009
|
USD/Barril
|
68.58
|
|
|
04/05/2006
|
USD/Barril
|
$69.94Barril
|
|
|
19/12/2007
|
USD/Barril
|
91.24
|
|
|
02/06/2009
|
USD/Barril
|
68.55
|
|
|
05/05/2006
|
USD/Barril
|
$70.19Barril
|
|
|
20/12/2007
|
USD/Barril
|
91.06
|
|
|
03/06/2009
|
USD/Barril
|
66.12
|
|
|
08/05/2006
|
USD/Barril
|
$69.77Barril
|
|
|
21/12/2007
|
USD/Barril
|
93.31
|
|
|
04/06/2009
|
USD/Barril
|
68.81
|
|
|
10/05/2006
|
USD/Barril
|
$72.13Barril
|
|
|
26/12/2007
|
USD/Barril
|
95.97
|
|
|
05/06/2009
|
USD/Barril
|
68.44
|
|
|
11/05/2006
|
USD/Barril
|
$73.32Barril
|
|
|
27/12/2007
|
USD/Barril
|
96.62
|
|
|
08/06/2009
|
USD/Barril
|
68.09
|
|
|
12/05/2006
|
USD/Barril
|
$72.04Barril
|
|
|
28/12/2007
|
USD/Barril
|
96.00
|
|
|
09/06/2009
|
USD/Barril
|
70.01
|
|
|
15/05/2006
|
USD/Barril
|
$69.41Barril
|
|
|
02/01/2008
|
USD/Barril
|
99.62
|
|
|
10/06/2009
|
USD/Barril
|
71.33
|
|
|
16/05/2006
|
USD/Barril
|
$69.53Barril
|
|
|
03/01/2008
|
USD/Barril
|
99.18
|
|
|
11/06/2009
|
USD/Barril
|
72.68
|
|
|
17/05/2006
|
USD/Barril
|
$68.69Barril
|
|
|
04/01/2008
|
USD/Barril
|
97.91
|
|
|
12/06/2009
|
USD/Barril
|
72.04
|
|
|
18/05/2006
|
USD/Barril
|
$69.45Barril
|
|
|
08/01/2008
|
USD/Barril
|
96.33
|
|
|
15/06/2009
|
USD/Barril
|
70.62
|
|
|
22/05/2006
|
USD/Barril
|
$69.23Barril
|
|
|
09/01/2008
|
USD/Barril
|
95.67
|
|
|
16/06/2009
|
USD/Barril
|
70.47
|
|
|
23/05/2006
|
USD/Barril
|
$71.76Barril
|
|
|
10/01/2008
|
USD/Barril
|
93.71
|
|
|
17/06/2009
|
USD/Barril
|
71.03
|
|
|
24/05/2006
|
USD/Barril
|
$69.86Barril
|
|
|
11/01/2008
|
USD/Barril
|
92.69
|
|
|
18/06/2009
|
USD/Barril
|
71.37
|
|
|
25/05/2006
|
USD/Barril
|
$71.32Barril
|
|
|
14/01/2008
|
USD/Barril
|
94.20
|
|
|
19/06/2009
|
USD/Barril
|
69.55
|
|
|
30/05/2006
|
USD/Barril
|
$72.03Barril
|
|
|
15/01/2008
|
USD/Barril
|
91.90
|
|
|
22/06/2009
|
USD/Barril
|
66.93
|
|
|
31/05/2006
|
USD/Barril
|
$71.29Barril
|
|
|
16/01/2008
|
USD/Barril
|
90.84
|
|
|
23/06/2009
|
USD/Barril
|
69.24
|
|
|
01/06/2006
|
USD/Barril
|
$70.34Barril
|
|
|
17/01/2008
|
USD/Barril
|
90.13
|
|
|
24/06/2009
|
USD/Barril
|
68.67
|
|
|
02/06/2006
|
USD/Barril
|
$72.33Barril
|
|
|
18/01/2008
|
USD/Barril
|
90.57
|
|
|
25/06/2009
|
USD/Barril
|
70.23
|
|
|
08/06/2006
|
USD/Barril
|
$70.35Barril
|
|
|
22/01/2008
|
USD/Barril
|
89.85
|
|
|
26/06/2009
|
USD/Barril
|
69.16
|
|
|
12/06/2006
|
USD/Barril
|
$70.36Barril
|
|
|
23/01/2008
|
USD/Barril
|
86.99
|
|
|
29/06/2009
|
USD/Barril
|
71.49
|
|
|
13/06/2006
|
USD/Barril
|
$68.56Barril
|
|
|
24/01/2008
|
USD/Barril
|
89.41
|
|
|
30/06/2009
|
USD/Barril
|
69.89
|
|
|
14/06/2006
|
USD/Barril
|
$69.14Barril
|
|
|
25/01/2008
|
USD/Barril
|
90.71
|
|
|
01/07/2009
|
USD/Barril
|
69.31
|
|
|
15/06/2006
|
USD/Barril
|
$69.50Barril
|
|
|
28/01/2008
|
USD/Barril
|
90.99
|
|
|
02/07/2009
|
USD/Barril
|
66.73
|
|
|
16/06/2006
|
USD/Barril
|
$69.88Barril
|
|
|
29/01/2008
|
USD/Barril
|
91.64
|
|
|
06/07/2009
|
USD/Barril
|
64.05
|
|
|
20/06/2006
|
USD/Barril
|
$68.94Barril
|
|
|
30/01/2008
|
USD/Barril
|
92.33
|
|
|
07/07/2009
|
USD/Barril
|
62.93
|
|
|
21/06/2006
|
USD/Barril
|
$70.33Barril
|
|
|
31/01/2008
|
USD/Barril
|
91.75
|
|
|
08/07/2009
|
USD/Barril
|
60.14
|
|
|
22/06/2006
|
USD/Barril
|
$70.84Barril
|
|
|
01/02/2008
|
USD/Barril
|
88.96
|
|
|
09/07/2009
|
USD/Barril
|
60.41
|
|
|
23/06/2006
|
USD/Barril
|
$70.87Barril
|
|
|
04/02/2008
|
USD/Barril
|
90.02
|
|
|
10/07/2009
|
USD/Barril
|
59.89
|
|
|
27/06/2006
|
USD/Barril
|
$71.92Barril
|
|
|
05/02/2008
|
USD/Barril
|
88.41
|
|
|
13/07/2009
|
USD/Barril
|
59.69
|
|
|
28/06/2006
|
USD/Barril
|
$72.19Barril
|
|
|
06/02/2008
|
USD/Barril
|
87.14
|
|
|
14/07/2009
|
USD/Barril
|
59.52
|
|
|
29/06/2006
|
USD/Barril
|
$73.52Barril
|
|
|
07/02/2008
|
USD/Barril
|
88.11
|
|
|
15/07/2009
|
USD/Barril
|
61.54
|
|
|
30/06/2006
|
USD/Barril
|
$73.93Barril
|
|
|
08/02/2008
|
USD/Barril
|
91.77
|
|
|
16/07/2009
|
USD/Barril
|
62.02
|
|
|
05/07/2006
|
USD/Barril
|
$75.19Barril
|
|
|
11/02/2008
|
USD/Barril
|
93.59
|
|
|
17/07/2009
|
USD/Barril
|
63.56
|
|
|
06/07/2006
|
USD/Barril
|
$75.14Barril
|
|
|
12/02/2008
|
USD/Barril
|
92.78
|
|
|
21/07/2009
|
USD/Barril
|
64.72
|
|
|
07/07/2006
|
USD/Barril
|
$74.09Barril
|
|
|
13/02/2008
|
USD/Barril
|
93.27
|
|
|
22/07/2009
|
USD/Barril
|
65.40
|
|
|
11/07/2006
|
USD/Barril
|
$74.16Barril
|
|
|
14/02/2008
|
USD/Barril
|
95.46
|
|
|
23/07/2009
|
USD/Barril
|
67.16
|
|
|
12/07/2006
|
USD/Barril
|
$74.95Barril
|
|
|
15/02/2008
|
USD/Barril
|
95.50
|
|
|
24/07/2009
|
USD/Barril
|
68.05
|
|
|
13/07/2006
|
USD/Barril
|
$76.70Barril
|
|
|
19/02/2008
|
USD/Barril
|
100.01
|
|
|
27/07/2009
|
USD/Barril
|
68.38
|
|
|
15/07/2006
|
USD/Barril
|
$77.03Barril
|
|
|
20/02/2008
|
USD/Barril
|
100.74
|
|
|
28/07/2009
|
USD/Barril
|
67.23
|
|
|
17/07/2006
|
USD/Barril
|
$75.30Barril
|
|
|
21/02/2008
|
USD/Barril
|
98.23
|
|
|
29/07/2009
|
USD/Barril
|
63.35
|
|
|
19/07/2006
|
USD/Barril
|
$72.66Barril
|
|
|
22/02/2008
|
USD/Barril
|
98.81
|
|
|
30/07/2009
|
USD/Barril
|
66.94
|
|
|
21/07/2006
|
USD/Barril
|
$74.43Barril
|
|
|
25/02/2008
|
USD/Barril
|
99.23
|
|
|
31/07/2009
|
USD/Barril
|
69.45
|
|
|
24/07/2006
|
USD/Barril
|
$75.05Barril
|
|
|
26/02/2008
|
USD/Barril
|
100.88
|
|
|
03/08/2009
|
USD/Barril
|
71.58
|
|
|
25/07/2006
|
USD/Barril
|
$73.75Barril
|
|
|
27/02/2008
|
USD/Barril
|
99.64
|
|
|
04/08/2009
|
USD/Barril
|
71.42
|
|
|
26/07/2006
|
USD/Barril
|
$73.94Barril
|
|
|
28/02/2008
|
USD/Barril
|
102.59
|
|
|
05/08/2009
|
USD/Barril
|
71.97
|
|
|
27/07/2006
|
USD/Barril
|
$74.54Barril
|
|
|
29/02/2008
|
USD/Barril
|
101.84
|
|
|
10/08/2009
|
USD/Barril
|
70.60
|
|
|
31/07/2006
|
USD/Barril
|
$74.40Barril
|
|
|
03/03/2008
|
USD/Barril
|
102.45
|
|
|
11/08/2009
|
USD/Barril
|
69.45
|
|
|
01/08/2006
|
USD/Barril
|
$74.91Barril
|
|
|
04/03/2008
|
USD/Barril
|
99.52
|
|
|
12/08/2009
|
USD/Barril
|
70.16
|
|
|
02/08/2006
|
USD/Barril
|
$75.81Barril
|
|
|
05/03/2008
|
USD/Barril
|
104.52
|
|
|
13/08/2009
|
USD/Barril
|
70.52
|
|
|
03/08/2006
|
USD/Barril
|
$75.48Barril
|
|
|
06/03/2008
|
USD/Barril
|
105.47
|
|
|
14/08/2009
|
USD/Barril
|
67.51
|
|
|
04/08/2006
|
USD/Barril
|
$74.76Barril
|
|
|
07/03/2008
|
USD/Barril
|
105.15
|
|
|
17/08/2009
|
USD/Barril
|
66.75
|
|
|
08/08/2006
|
USD/Barril
|
$76.31Barril
|
|
|
10/03/2008
|
USD/Barril
|
107.90
|
|
|
18/08/2009
|
USD/Barril
|
69.19
|
|
|
09/08/2006
|
USD/Barril
|
$76.35Barril
|
|
|
11/03/2008
|
USD/Barril
|
108.75
|
|
|
19/08/2009
|
USD/Barril
|
72.42
|
|
|
10/08/2006
|
USD/Barril
|
$74.00Barril
|
|
|
12/03/2008
|
USD/Barril
|
109.92
|
|
|
20/08/2009
|
USD/Barril
|
72.54
|
|
|
11/08/2006
|
USD/Barril
|
$74.35Barril
|
|
|
13/03/2008
|
USD/Barril
|
110.33
|
|
|
21/08/2009
|
USD/Barril
|
73.89
|
|
|
14/08/2006
|
USD/Barril
|
$73.53Barril
|
|
|
14/03/2008
|
USD/Barril
|
110.21
|
|
|
24/08/2009
|
USD/Barril
|
74.37
|
|
|
15/08/2006
|
USD/Barril
|
$73.05Barril
|
|
|
17/03/2008
|
USD/Barril
|
105.68
|
|
|
25/08/2009
|
USD/Barril
|
72.05
|
|
|
16/08/2006
|
USD/Barril
|
$71.89Barril
|
|
|
18/03/2008
|
USD/Barril
|
109.42
|
|
|
26/08/2009
|
USD/Barril
|
71.43
|
|
|
17/08/2006
|
USD/Barril
|
$70.06Barril
|
|
|
19/03/2008
|
USD/Barril
|
104.48
|
|
|
27/08/2009
|
USD/Barril
|
72.49
|
|
|
18/08/2006
|
USD/Barril
|
$71.14Barril
|
|
|
25/03/2008
|
USD/Barril
|
101.22
|
|
|
28/08/2009
|
USD/Barril
|
72.74
|
|
|
22/08/2006
|
USD/Barril
|
$72.63Barril
|
|
|
26/03/2008
|
USD/Barril
|
105.90
|
|
|
31/08/2009
|
USD/Barril
|
69.96
|
|
|
23/08/2006
|
USD/Barril
|
$71.76Barril
|
|
|
27/03/2008
|
USD/Barril
|
107.58
|
|
|
01/09/2009
|
USD/Barril
|
68.05
|
|
|
24/08/2006
|
USD/Barril
|
$72.36Barril
|
|
|
28/03/2008
|
USD/Barril
|
105.62
|
|
|
02/09/2009
|
USD/Barril
|
68.05
|
|
|
25/08/2006
|
USD/Barril
|
$72.51Barril
|
|
|
31/03/2008
|
USD/Barril
|
101.58
|
|
|
03/09/2009
|
USD/Barril
|
67.96
|
|
|
28/08/2006
|
USD/Barril
|
$70.61Barril
|
|
|
01/04/2008
|
USD/Barril
|
100.98
|
|
|
04/09/2009
|
USD/Barril
|
68.02
|
|
|
30/08/2006
|
USD/Barril
|
$70.03Barril
|
|
|
02/04/2008
|
USD/Barril
|
104.83
|
|
|
08/09/2009
|
USD/Barril
|
71.10
|
|
|
31/08/2006
|
USD/Barril
|
$70.26Barril
|
|
|
03/04/2008
|
USD/Barril
|
103.83
|
|
|
09/09/2009
|
USD/Barril
|
71.31
|
|
|
01/09/2006
|
USD/Barril
|
$69.19Barril
|
|
|
04/04/2008
|
USD/Barril
|
106.23
|
|
|
10/09/2009
|
USD/Barril
|
71.94
|
|
|
04/09/2006
|
USD/Barril
|
$67.71Barril
|
|
|
07/04/2008
|
USD/Barril
|
109.09
|
|
|
11/09/2009
|
USD/Barril
|
69.29
|
|
|
05/09/2006
|
USD/Barril
|
$68.60Barril
|
|
|
08/04/2008
|
USD/Barril
|
108.50
|
|
|
14/09/2009
|
USD/Barril
|
68.86
|
|
|
06/09/2006
|
USD/Barril
|
$67.50Barril
|
|
|
09/04/2008
|
USD/Barril
|
110.87
|
|
|
15/09/2009
|
USD/Barril
|
70.93
|
|
|
07/09/2006
|
USD/Barril
|
$67.32Barril
|
|
|
10/04/2008
|
USD/Barril
|
110.11
|
|
|
16/09/2009
|
USD/Barril
|
72.51
|
|
|
08/09/2006
|
USD/Barril
|
$66.25Barril
|
|
|
11/04/2008
|
USD/Barril
|
110.14
|
|
|
17/09/2009
|
USD/Barril
|
72.47
|
|
|
11/09/2006
|
USD/Barril
|
$65.61Barril
|
|
|
14/04/2008
|
USD/Barril
|
111.76
|
|
|
18/09/2009
|
USD/Barril
|
72.04
|
|
|
12/09/2006
|
USD/Barril
|
$63.76Barril
|
|
|
15/04/2008
|
USD/Barril
|
113.79
|
|
|
21/09/2009
|
USD/Barril
|
69.71
|
|
|
13/09/2006
|
USD/Barril
|
$63.97Barril
|
|
|
16/04/2008
|
USD/Barril
|
114.93
|
|
|
22/09/2009
|
USD/Barril
|
71.55
|
|
|
14/09/2006
|
USD/Barril
|
$63.22Barril
|
|
|
17/04/2008
|
USD/Barril
|
114.86
|
|
|
23/09/2009
|
USD/Barril
|
68.97
|
|
|
15/09/2006
|
USD/Barril
|
$63.33Barril
|
|
|
18/04/2008
|
USD/Barril
|
116.69
|
|
|
25/09/2009
|
USD/Barril
|
66.02
|
|
|
18/09/2006
|
USD/Barril
|
$63.80Barril
|
|
|
21/04/2008
|
USD/Barril
|
117.48
|
|
|
28/09/2009
|
USD/Barril
|
66.84
|
|
|
19/09/2006
|
USD/Barril
|
$61.66Barril
|
|
|
22/04/2008
|
USD/Barril
|
119.37
|
|
|
29/09/2009
|
USD/Barril
|
66.71
|
|
|
20/09/2006
|
USD/Barril
|
$60.46Barril
|
|
|
23/04/2008
|
USD/Barril
|
118.30
|
|
|
30/09/2009
|
USD/Barril
|
70.61
|
|
|
21/09/2006
|
USD/Barril
|
$61.59Barril
|
|
|
24/04/2008
|
USD/Barril
|
116.06
|
|
|
01/10/2009
|
USD/Barril
|
70.82
|
|
|
25/09/2006
|
USD/Barril
|
$61.45Barril
|
|
|
25/04/2008
|
USD/Barril
|
118.52
|
|
|
02/10/2009
|
USD/Barril
|
69.75
|
|
|
26/09/2006
|
USD/Barril
|
$61.01Barril
|
|
|
28/04/2008
|
USD/Barril
|
118.75
|
|
|
05/10/2009
|
USD/Barril
|
70.41
|
|
|
27/09/2006
|
USD/Barril
|
$62.96Barril
|
|
|
29/04/2008
|
USD/Barril
|
115.63
|
|
|
06/10/2009
|
USD/Barril
|
70.88
|
|
|
28/09/2006
|
USD/Barril
|
$62.76Barril
|
|
|
30/04/2008
|
USD/Barril
|
113.46
|
|
|
07/10/2009
|
USD/Barril
|
69.57
|
|
|
29/09/2006
|
USD/Barril
|
$62.91Barril
|
|
|
01/05/2008
|
USD/Barril
|
112.52
|
|
|
08/10/2009
|
USD/Barril
|
71.69
|
|
|
02/10/2006
|
USD/Barril
|
$61.03Barril
|
|
|
02/05/2008
|
USD/Barril
|
116.32
|
|
|
09/10/2009
|
USD/Barril
|
71.77
|
|
|
03/10/2006
|
USD/Barril
|
$58.68Barril
|
|
|
05/05/2008
|
USD/Barril
|
119.97
|
|
|
13/10/2009
|
USD/Barril
|
74.15
|
|
|
04/10/2006
|
USD/Barril
|
$59.41Barril
|
|
|
06/05/2008
|
USD/Barril
|
121.84
|
|
|
14/10/2009
|
USD/Barril
|
74.15
|
|
|
06/10/2006
|
USD/Barril
|
$59.76Barril
|
|
|
07/05/2008
|
USD/Barril
|
123.53
|
|
|
15/10/2009
|
USD/Barril
|
77.58
|
|
|
09/10/2006
|
USD/Barril
|
$59.96Barril
|
|
|
08/05/2008
|
USD/Barril
|
123.69
|
|
|
16/10/2009
|
USD/Barril
|
78.53
|
|
|
10/10/2006
|
USD/Barril
|
$58.52Barril
|
|
|
09/05/2008
|
USD/Barril
|
125.96
|
|
|
19/10/2009
|
USD/Barril
|
79.61
|
|
|
11/10/2006
|
USD/Barril
|
$57.59Barril
|
|
|
12/05/2008
|
USD/Barril
|
124.23
|
|
|
20/10/2009
|
USD/Barril
|
79.12
|
|
|
12/10/2006
|
USD/Barril
|
$57.86Barril
|
|
|
13/05/2008
|
USD/Barril
|
125.80
|
|
|
21/10/2009
|
USD/Barril
|
82
|
|
|
13/10/2006
|
USD/Barril
|
$58.57Barril
|
|
|
14/05/2008
|
USD/Barril
|
124.22
|
|
|
22/10/2009
|
USD/Barril
|
81,19
|
|
|
17/10/2006
|
USD/Barril
|
$58.93Barril
|
|
|
15/05/2008
|
USD/Barril
|
124.12
|
|
|
23/10/2009
|
USD/Barril
|
80,50
|
|
|
18/10/2006
|
USD/Barril
|
$57.65Barril
|
|
|
16/05/2008
|
USD/Barril
|
126.29
|
|
|
26/10/2009
|
USD/Barril
|
80.50
|
|
|
19/10/2006
|
USD/Barril
|
$58.50Barril
|
|
|
19/05/2008
|
USD/Barril
|
127.05
|
|
|
27/10/2009
|
USD/Barril
|
79.59
|
|
|
20/10/2006
|
USD/Barril
|
$56.82Barril
|
|
|
20/05/2008
|
USD/Barril
|
129.07
|
|
|
28/10/2009
|
USD/Barril
|
77.46
|
|
|
23/10/2006
|
USD/Barril
|
$58.81Barril
|
|
|
21/05/2008
|
USD/Barril
|
133.17
|
|
|
29/10/2009
|
USD/Barril
|
79.87
|
|
|
25/10/2006
|
USD/Barril
|
$61.40Barril
|
|
|
22/05/2008
|
USD/Barril
|
130.81
|
|
|
30/10/2009
|
USD/Barril
|
77.00
|
|
|
26/10/2006
|
USD/Barril
|
$60.36Barril
|
|
|
23/05/2008
|
USD/Barril
|
132.19
|
|
|
03/11/2009
|
USD/Barril
|
79.60
|
|
|
27/10/2006
|
USD/Barril
|
$60.75Barril
|
|
|
27/05/2008
|
USD/Barril
|
128.85
|
|
|
05/11/2009
|
USD/Barril
|
79.62
|
|
|
30/10/2006
|
USD/Barril
|
$58.36Barril
|
|
|
28/05/2008
|
USD/Barril
|
131.03
|
|
|
06/11/2009
|
USD/Barril
|
77.43
|
|
|
31/10/2006
|
USD/Barril
|
$58.73Barril
|
|
|
29/05/2008
|
USD/Barril
|
126.62
|
|
|
09/11/2009
|
USD/Barril
|
79.43
|
|
|
01/11/2006
|
USD/Barril
|
$58.71Barril
|
|
|
30/05/2008
|
USD/Barril
|
127.35
|
|
|
10/11/2009
|
USD/Barril
|
79.05
|
|
|
02/11/2006
|
USD/Barril
|
$57.88Barril
|
|
|
03/06/2008
|
USD/Barril
|
124.31
|
|
|
11/11/2009
|
USD/Barril
|
79.28
|
|
|
03/11/2006
|
USD/Barril
|
$59.14Barril
|
|
|
04/06/2008
|
USD/Barril
|
122.30
|
|
|
12/11/2009
|
USD/Barril
|
76.94
|
|
|
07/11/2006
|
USD/Barril
|
$58.93Barril
|
|
|
05/06/2008
|
USD/Barril
|
127.79
|
|
|
13/11/2009
|
USD/Barril
|
76.35
|
|
|
08/11/2006
|
USD/Barril
|
$59.83Barril
|
|
|
06/06/2008
|
USD/Barril
|
138.54
|
|
|
16/11/2009
|
USD/Barril
|
78.90
|
|
|
09/11/2006
|
USD/Barril
|
$61.16Barril
|
|
|
09/06/2008
|
USD/Barril
|
134.35
|
|
|
17/11/2009
|
USD/Barril
|
79.14
|
|
|
10/11/2006
|
USD/Barril
|
$59.59Barril
|
|
|
10/06/2008
|
USD/Barril
|
131.31
|
|
|
18/11/2009
|
USD/Barril
|
79.58
|
|
|
14/11/2006
|
USD/Barril
|
$58.28Barril
|
|
|
11/06/2008
|
USD/Barril
|
136.38
|
|
|
19/11/2009
|
USD/Barril
|
77.46
|
|
|
15/11/2006
|
USD/Barril
|
$58.76Barril
|
|
|
12/06/2008
|
USD/Barril
|
136.74
|
|
|
20/11/2009
|
USD/Barril
|
76.72
|
|
|
16/11/2006
|
USD/Barril
|
$56.26Barril
|
|
|
13/06/2008
|
USD/Barril
|
134.86
|
|
|
23/11/2009
|
USD/Barril
|
77.56
|
|
|
17/11/2006
|
USD/Barril
|
$55.81Barril
|
|
|
16/06/2008
|
USD/Barril
|
134.61
|
|
|
24/11/2009
|
USD/Barril
|
76.02
|
|
|
20/11/2006
|
USD/Barril
|
$58.80Barril
|
|
|
17/06/2008
|
USD/Barril
|
134.01
|
|
|
25/11/2009
|
USD/Barril
|
77.96
|
|
|
21/11/2006
|
USD/Barril
|
$60.17Barril
|
|
|
18/06/2008
|
USD/Barril
|
136.68
|
|
|
26/11/2009
|
USD/Barril
|
76.99
|
|
|
22/11/2006
|
USD/Barril
|
$59.24Barril
|
|
|
19/06/2008
|
USD/Barril
|
131.93
|
|
|
27/11/2009
|
USD/Barril
|
76.05
|
|
|
28/11/2006
|
USD/Barril
|
$60.99Barril
|
|
|
20/06/2008
|
USD/Barril
|
134.62
|
|
|
30/11/2009
|
USD/Barril
|
77.28
|
|
|
29/11/2006
|
USD/Barril
|
$62.46Barril
|
|
|
23/06/2008
|
USD/Barril
|
136.74
|
|
|
01/12/2009
|
USD/Barril
|
78.37
|
|
|
01/12/2006
|
USD/Barril
|
$63.43Barril
|
|
|
24/06/2008
|
USD/Barril
|
137.00
|
|
|
02/12/2009
|
USD/Barril
|
76.60
|
|
|
04/12/2006
|
USD/Barril
|
$62.44Barril
|
|
|
25/06/2008
|
USD/Barril
|
134.55
|
|
|
03/12/2009
|
USD/Barril
|
76.46
|
|
|
05/12/2006
|
USD/Barril
|
$62.43Barril
|
|
|
27/06/2008
|
USD/Barril
|
141.90
|
|
|
04/12/2009
|
USD/Barril
|
75.47
|
|
|
06/12/2006
|
USD/Barril
|
$62.19Barril
|
|
|
30/06/2008
|
USD/Barril
|
140.00
|
|
|
07/12/2009
|
USD/Barril
|
73.93
|
|
|
07/12/2006
|
USD/Barril
|
$62.49Barril
|
|
|
01/07/2008
|
USD/Barril
|
140.97
|
|
|
09/12/2009
|
USD/Barril
|
70.67
|
|
|
11/12/2006
|
USD/Barril
|
$61.22Barril
|
|
|
02/07/2008
|
USD/Barril
|
143.57
|
|
|
10/12/2009
|
USD/Barril
|
70.54
|
|
|
12/12/2006
|
USD/Barril
|
$61.02Barril
|
|
|
03/07/2008
|
USD/Barril
|
145.29
|
|
|
11/12/2009
|
USD/Barril
|
69.87
|
|
|
13/12/2006
|
USD/Barril
|
$61.37Barril
|
|
|
07/07/2008
|
USD/Barril
|
141.37
|
|
|
14/12/2009
|
USD/Barril
|
69.51
|
|
|
14/12/2006
|
USD/Barril
|
$62.51Barril
|
|
|
08/07/2008
|
USD/Barril
|
136.04
|
|
|
15/12/2009
|
USD/Barril
|
70.69
|
|
|
18/12/2006
|
USD/Barril
|
$62.21Barril
|
|
|
09/07/2008
|
USD/Barril
|
136.05
|
|
|
16/12/2009
|
USD/Barril
|
72.66
|
|
|
19/12/2006
|
USD/Barril
|
$63.15Barril
|
|
|
10/07/2008
|
USD/Barril
|
141.65
|
|
|
17/12/2009
|
USD/Barril
|
72.65
|
|
|
20/12/2006
|
USD/Barril
|
$63.72Barril
|
|
|
11/07/2008
|
USD/Barril
|
145.08
|
|
|
21/12/2009
|
USD/Barril
|
74.47
|
|
|
21/12/2006
|
USD/Barril
|
$62.66Barril
|
|
|
14/07/2008
|
USD/Barril
|
145.18
|
|
|
22/12/2009
|
USD/Barril
|
74.40
|
|
|
26/12/2006
|
USD/Barril
|
$61.10Barril
|
|
|
15/07/2008
|
USD/Barril
|
138.74
|
|
|
23/12/2009
|
USD/Barril
|
76.67
|
|
|
27/12/2006
|
USD/Barril
|
$60.34Barril
|
|
|
16/07/2008
|
USD/Barril
|
134.60
|
|
|
24/12/2009
|
USD/Barril
|
78.05
|
|
|
28/12/2006
|
USD/Barril
|
| |