| 时间 | 值 （亿千瓦时） | 世界排名 |
|---|---|---|
| 2015 | 442 | 27 |
| 2014 | 436 | 50 |
| 2013 | 433 | 49 |
| 2012 | 443 | 46 |
| 2011 | 445 | 44 |
| 2010 | 449 | 44 |
| 2009 | 435 | 42 |
| 2008 | 438 | 42 |
| 2007 | 437 | 42 |
| 2006 | 436 | 44 |
| 2005 | 430 | 43 |
| 2004 | 425 | 41 |
| 2003 | 408 | 42 |
| 2002 | 406 | 41 |
| 2001 | 396 | 40 |
| 2000 | 392 | 38 |
| 1999 | 378 | 41 |
| 1998 | 376 | 38 |
| 1997 | 371 | 36 |
| 1996 | 365 | 35 |
| 1995 | 361 | 33 |
| 1994 | 349 | 33 |
| 1993 | 343 | 32 |
| 1992 | 329 | 31 |
| 1991 | 333 | 31 |
| 1990 | 323 | 30 |
| 1989 | 314 | 25 |
| 1988 | 299 | 25 |
| 1987 | 291 | 26 |
| 1986 | 286 | 25 |