| 年度 | 实际值 |
|---|---|
| 1992 | 2314 |
| 1993 | 2377 |
| 1994 | 2418 |
| 1995 | 2532 |
| 1996 | 2598 |
| 1997 | 2682 |
| 1998 | 2793 |
| 1999 | 2845 |
| 2000 | 2940 |
| 2001 | 3012 |
| 2002 | 2458 |
| 2003 | 2615.27 |
| 2004 | 2743.62 |
| 2005 | 2941.44 |
| 2006 | 2303.34 |
| 2007 | 2364.6 |
| 2008 | 2425.27 |
| 2009 | |
| 2010 | 1062.68 |
| 2011 | 3651.17 |
| 2012 | 2401.84 |
| 2013 | 2136.47 |
| 2014 | 2177.2 |
| 2015 | 2227.15 |