| 年度 | 实际值 |
|---|---|
| 1992 | 891 |
| 1993 | 522 |
| 1994 | 525 |
| 1995 | 534 |
| 1996 | 539 |
| 1997 | 543 |
| 1998 | 547 |
| 1999 | 552 |
| 2000 | 561 |
| 2001 | 565 |
| 2002 | 570 |
| 2003 | 574.53 |
| 2004 | 578.97 |
| 2005 | 585.12 |
| 2006 | 592.82 |
| 2007 | 602.63 |
| 2008 | 609.84 |
| 2009 | |
| 2010 | 624.15 |
| 2011 | 629.28 |
| 2012 | 634.36 |
| 2013 | 632.98 |
| 2014 | 781.85 |
| 2015 | 788.14 |