| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 37 | 94 |
| 2013 | 36 | 94 |
| 2012 | 35 | 87 |
| 2011 | 32 | 84 |
| 2010 | 31 | 84 |
| 2009 | 29 | 85 |
| 2008 | 28 | 82 |
| 2007 | 27 | 83 |
| 2006 | 24 | 82 |
| 2005 | 25 | 78 |
| 2004 | 23 | 75 |
| 2003 | 21 | 71 |
| 2002 | 20 | 71 |
| 2001 | 19 | 71 |
| 2000 | 16 | 68 |
| 1999 | 14 | 67 |
| 1998 | 14 | 63 |
| 1997 | 13 | 61 |
| 1996 | 12 | 61 |
| 1995 | 11 | 59 |
| 1994 | 11 | 56 |
| 1993 | 10 | 57 |
| 1992 | 11 | 56 |
| 1991 | 10 | 55 |
| 1990 | 9 | 54 |
| 1989 | 9 | 47 |
| 1988 | 9 | 48 |
| 1987 | 9 | 47 |
| 1986 | 8 | 47 |