| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 12874 | 3 |
| 2013 | 11935 | 3 |
| 2012 | 11230 | 3 |
| 2011 | 10745 | 3 |
| 2010 | 9794 | 5 |
| 2009 | 9173 | 5 |
| 2008 | 8484 | 5 |
| 2007 | 8236 | 5 |
| 2006 | 7738 | 5 |
| 2005 | 7157 | 5 |
| 2004 | 6840 | 5 |
| 2003 | 6508 | 5 |
| 2002 | 6105 | 5 |
| 2001 | 5882 | 6 |
| 2000 | 5697 | 7 |
| 1999 | 5458 | 7 |
| 1998 | 5038 | 8 |
| 1997 | 4727 | 8 |
| 1996 | 4430 | 8 |
| 1995 | 4237 | 8 |
| 1994 | 3908 | 8 |
| 1993 | 3608 | 8 |
| 1992 | 3372 | 8 |
| 1991 | 3193 | 9 |
| 1990 | 2927 | 9 |
| 1989 | 2718 | 8 |
| 1988 | 2443 | 8 |
| 1987 | 2219 | 7 |
| 1986 | 2040 | 8 |