| 年度 | 实际值 |
|---|---|
| 1992 | 2317 |
| 1993 | 2286 |
| 1994 | 778 |
| 1995 | 787 |
| 1996 | 795 |
| 1997 | 806 |
| 1998 | 815 |
| 1999 | 821 |
| 2000 | 832 |
| 2001 | 840 |
| 2002 | 846 |
| 2003 | 850.33 |
| 2004 | 849.97 |
| 2005 | 871.18 |
| 2006 | 890.56 |
| 2007 | 906.92 |
| 2008 | 919.84 |
| 2009 | |
| 2010 | 935.49 |
| 2011 | 961.4 |
| 2012 | 909.65 |
| 2013 | 871.01 |
| 2014 | 875.46 |
| 2015 | 880.56 |