Annual Data | Millions of US $ except per share data
| 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
| $-383.00 | $-2,221.00 | $-1,128.00 | $-1,810.00 | $-1,116.00 | $-1,054.00 | $-3,147.00 |
| $378 | $368 | $430 | $619 | $732 | $830 | $853 |
| $-1,975.00 | $-361.00 | $-1,016.00 | $-578.00 | $-397.00 | $-267.00 | $1,519 |
| $-1,597.00 | $7.00 | $-586.00 | $41.00 | $335 | $563 | $2,372 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $1,144 | $1,213 | $-229.00 | $1,091 | $446 | $427 | $545 |
| $-472.00 | $-526.00 | $-47.00 | $-528.00 | $-230.00 | $-117.00 | $-134.00 |
| $-426.00 | $66.00 | $-82.00 | $-71.00 | $-607.00 | $-59.00 | $139 |
| $138 | $833 | $-453.00 | $382 | $-328.00 | $188 | $500 |
| $-1,842.00 | $-1,381.00 | $-2,167.00 | $-1,387.00 | $-1,109.00 | $-303.00 | $-275.00 |
| $1,029 | $244 | $2,519 | $154 | $666 | $154 | $-360.00 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $8.00 |
| $0 | $0 | $0 | $0 | $0 | $0 | $8.00 |
| $865 | $0 | $0 | $173 | $-2.00 | $37.00 | $43.00 |
| $1,894 | $244 | $2,519 | $327 | $664 | $191 | $-309.00 |
| $-336.00 | $1,962 | $-1,405.00 | $945 | $911 | $-330.00 | $-507.00 |
| $271 | $-797.00 | $583 | $-1,117.00 | $238 | $-81.00 | $815 |
| $-65.00 | $1,165 | $-822.00 | $-172.00 | $1,149 | $-411.00 | $308 |
| $0 | $0 | $0 | $0 | $0 | $-10.00 | $-226.00 |
| $0 | $0 | $0 | $0 | $0 | $-10.00 | $-226.00 |
| $0 | $0 | $0 | $0 | $-233.00 | $-50.00 | $0 |
| $63.00 | $20.00 | $458 | $457 | $-14.00 | $444 | $-110.00 |
| $-2.00 | $1,185 | $-364.00 | $285 | $902 | $-27.00 | $-28.00 |
| $50.00 | $48.00 | $-12.00 | $-778.00 | $419 | $-138.00 | $-612.00 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $-233.00 | $-50.00 | $0 |