| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2015 | 284 | 30 |
| 2014 | 260 | 58 |
| 2013 | 258 | 58 |
| 2012 | 274 | 54 |
| 2011 | 275 | 51 |
| 2010 | 285 | 50 |
| 2009 | 280 | 50 |
| 2008 | 299 | 49 |
| 2007 | 278 | 51 |
| 2006 | 271 | 51 |
| 2005 | 256 | 49 |
| 2004 | 252 | 48 |
| 2003 | 249 | 46 |
| 2002 | 248 | 46 |
| 2001 | 246 | 45 |
| 2000 | 237 | 42 |
| 1999 | 218 | 43 |
| 1998 | 209 | 42 |
| 1997 | 197 | 41 |
| 1996 | 189 | 40 |
| 1995 | 176 | 39 |
| 1994 | 168 | 39 |
| 1993 | 161 | 40 |
| 1992 | 158 | 39 |