| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2015 | 13 | 35 |
| 2014 | 19 | 101 |
| 2013 | 18 | 99 |
| 2012 | 28 | 89 |
| 2011 | 27 | 86 |
| 2010 | 32 | 83 |
| 2009 | 32 | 84 |
| 2008 | 27 | 83 |
| 2007 | 32 | 82 |
| 2006 | 35 | 79 |
| 2005 | 33 | 76 |
| 2004 | 34 | 73 |
| 2003 | 28 | 69 |
| 2002 | 28 | 69 |
| 2001 | 9 | 74 |
| 2000 | 4 | 72 |
| 1999 | 4 | 70 |
| 1998 | 4 | 66 |
| 1997 | 4 | 64 |
| 1996 | 4 | 63 |
| 1995 | 5 | 61 |
| 1994 | 6 | 60 |
| 1993 | 7 | 61 |
| 1992 | 7 | 59 |
| 1991 | 7 | 57 |
| 1990 | 6 | 56 |
| 1989 | 6 | 48 |
| 1988 | 6 | 49 |
| 1987 | 6 | 48 |
| 1986 | 6 | 48 |