| 年度 | 实际值 |
|---|---|
| 1992 | 994 |
| 1993 | 1017 |
| 1994 | 546 |
| 1995 | 562 |
| 1996 | 572 |
| 1997 | 590 |
| 1998 | 593 |
| 1999 | 602 |
| 2000 | 611 |
| 2001 | 617 |
| 2002 | 619 |
| 2003 | 627.59 |
| 2004 | 640.48 |
| 2005 | 647.54 |
| 2006 | 656.31 |
| 2007 | 660.34 |
| 2008 | 659.07 |
| 2009 | |
| 2010 | 1434.47 |
| 2011 | 659.96 |
| 2012 | 662.27 |
| 2013 | 663.33 |
| 2014 | 671 |
| 2015 | 675.68 |