| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 1413 | 28 |
| 2013 | 1392 | 26 |
| 2012 | 1356 | 27 |
| 2011 | 1296 | 25 |
| 2010 | 1253 | 25 |
| 2009 | 1219 | 26 |
| 2008 | 1216 | 26 |
| 2007 | 1074 | 26 |
| 2006 | 1069 | 26 |
| 2005 | 1055 | 26 |
| 2004 | 1002 | 27 |
| 2003 | 920 | 27 |
| 2002 | 845 | 27 |
| 2001 | 901 | 26 |
| 2000 | 889 | 26 |
| 1999 | 805 | 27 |
| 1998 | 740 | 26 |
| 1997 | 723 | 25 |
| 1996 | 697 | 24 |
| 1995 | 670 | 23 |
| 1994 | 645 | 25 |
| 1993 | 616 | 23 |
| 1992 | 559 | 25 |
| 1991 | 536 | 24 |
| 1990 | 507 | 24 |
| 1989 | 505 | 21 |
| 1988 | 522 | 20 |
| 1987 | 520 | 19 |
| 1986 | 490 | 20 |