50 . 70 .
19 69,7741 ., 56,54 . 18 . 70 . 27 2015 , 69,7 .

2015 70 . 70 ., 69,595 ., 50,5 . .

5,43 ., 19 63,1154 . 62,9475 ., 56,25 . 15 .

Brent $47,5. .

, $47/. , .

13.10 63,065 ., 69,655 .