| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 1736 | 22 |
| 2013 | 1704 | 22 |
| 2012 | 1668 | 22 |
| 2011 | 1560 | 23 |
| 2010 | 1595 | 21 |
| 2009 | 1484 | 22 |
| 2008 | 1474 | 23 |
| 2007 | 1434 | 22 |
| 2006 | 1387 | 22 |
| 2005 | 1322 | 23 |
| 2004 | 1257 | 22 |
| 2003 | 1170 | 22 |
| 2002 | 1090 | 23 |
| 2001 | 1024 | 23 |
| 2000 | 960 | 23 |
| 1999 | 900 | 23 |
| 1998 | 901 | 23 |
| 1997 | 932 | 21 |
| 1996 | 898 | 21 |
| 1995 | 801 | 21 |
| 1994 | 712 | 22 |
| 1993 | 634 | 22 |
| 1992 | 571 | 24 |
| 1991 | 502 | 25 |
| 1990 | 442 | 26 |