| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 2286 | 20 |
| 2013 | 2156 | 20 |
| 2012 | 2001 | 20 |
| 2011 | 1834 | 20 |
| 2010 | 1698 | 20 |
| 2009 | 1568 | 20 |
| 2008 | 1493 | 22 |
| 2007 | 1422 | 23 |
| 2006 | 1331 | 23 |
| 2005 | 1275 | 24 |
| 2004 | 1202 | 23 |
| 2003 | 1130 | 23 |
| 2002 | 1082 | 24 |
| 2001 | 1013 | 24 |
| 2000 | 933 | 24 |
| 1999 | 859 | 25 |
| 1998 | 780 | 25 |
| 1997 | 746 | 24 |
| 1996 | 677 | 26 |
| 1995 | 592 | 27 |
| 1994 | 514 | 28 |
| 1993 | 454 | 29 |
| 1992 | 415 | 28 |
| 1991 | 373 | 27 |
| 1990 | 327 | 29 |
| 1989 | 277 | 27 |
| 1988 | 252 | 28 |
| 1987 | 230 | 27 |
| 1986 | 195 | 29 |