|
2015 |
2016 |
2017 |
China Petroleum & Chemical Corporation* |
14,692 |
9,659 |
15,488 |
PetroChina Company Limited* |
5,502 |
6,923 |
11,957 |
BP p.l.c. |
3,093 |
2,843 |
3,108 |
Phillips 66 |
N/A |
N/A |
2,631 |
Royal Dutch Shell PLC |
6,917 |
3,661 |
2,627 |
EOG Resources, Inc. |
3,746 |
2,660 |
N/A |