| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2015 | 6456 | 4 |
| 2014 | 6219 | 7 |
| 2013 | 6329 | 7 |
| 2012 | 6237 | 7 |
| 2011 | 6072 | 7 |
| 2010 | 6266 | 6 |
| 2009 | 5900 | 7 |
| 2008 | 6344 | 6 |
| 2007 | 6337 | 6 |
| 2006 | 6327 | 6 |
| 2005 | 6158 | 7 |
| 2004 | 6111 | 6 |
| 2003 | 6036 | 6 |
| 2002 | 5820 | 7 |
| 2001 | 5819 | 7 |
| 2000 | 5723 | 6 |
| 1999 | 5525 | 6 |
| 1998 | 5524 | 6 |
| 1997 | 5480 | 6 |
| 1996 | 5507 | 6 |
| 1995 | 5328 | 6 |
| 1994 | 5252 | 6 |
| 1993 | 5225 | 6 |
| 1992 | 5337 | 5 |
| 1991 | 5358 | 5 |
| 1990 | 5477 | 5 |
| 1989 | 5574 | 4 |
| 1988 | 5471 | 3 |
| 1987 | 5305 | 3 |
| 1986 | 5218 | 3 |