| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2015 | 510 | 25 |
| 2014 | 520 | 45 |
| 2013 | 505 | 46 |
| 2012 | 456 | 45 |
| 2011 | 519 | 41 |
| 2010 | 537 | 41 |
| 2009 | 495 | 41 |
| 2008 | 455 | 40 |
| 2007 | 469 | 41 |
| 2006 | 486 | 41 |
| 2005 | 462 | 41 |
| 2004 | 448 | 40 |
| 2003 | 465 | 40 |
| 2002 | 457 | 37 |
| 2001 | 462 | 36 |
| 2000 | 434 | 35 |
| 1999 | 429 | 35 |
| 1998 | 389 | 37 |
| 1997 | 341 | 38 |
| 1996 | 344 | 37 |
| 1995 | 332 | 36 |
| 1994 | 313 | 35 |
| 1993 | 310 | 36 |
| 1992 | 297 | 34 |
| 1991 | 297 | 33 |
| 1990 | 284 | 32 |
| 1989 | 255 | 29 |
| 1988 | 224 | 30 |
| 1987 | 201 | 29 |
| 1986 | 203 | 28 |