| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2014 | 93 | 76 |
| 2013 | 90 | 75 |
| 2012 | 86 | 70 |
| 2011 | 78 | 67 |
| 2010 | 74 | 69 |
| 2009 | 69 | 70 |
| 2008 | 64 | 70 |
| 2007 | 65 | 70 |
| 2006 | 60 | 71 |
| 2005 | 58 | 68 |
| 2004 | 58 | 66 |
| 2003 | 56 | 63 |
| 2002 | 53 | 63 |
| 2001 | 51 | 62 |
| 2000 | 49 | 59 |
| 1999 | 46 | 58 |
| 1998 | 42 | 57 |
| 1997 | 41 | 55 |
| 1996 | 38 | 53 |
| 1995 | 35 | 53 |
| 1994 | 34 | 51 |
| 1993 | 31 | 52 |
| 1992 | 29 | 51 |
| 1991 | 28 | 48 |
| 1990 | 27 | 47 |
| 1989 | 26 | 41 |
| 1988 | 26 | 42 |
| 1987 | 27 | 41 |
| 1986 | 26 | 40 |