| 年度 | 实际值 |
|---|---|
| 1992 | 2823 |
| 1993 | 2874 |
| 1994 | 2926 |
| 1995 | 3033 |
| 1996 | 3086 |
| 1997 | 3158 |
| 1998 | 3211 |
| 1999 | 3319 |
| 2000 | 1748 |
| 2001 | 1778 |
| 2002 | 1778 |
| 2003 | 1764.09 |
| 2004 | 1780.66 |
| 2005 | 1791.16 |
| 2006 | 1792.54 |
| 2007 | 1795.3 |
| 2008 | 1792.82 |
| 2009 | |
| 2010 | 1622.63 |
| 2011 | 1802.76 |
| 2012 | 1813.81 |
| 2013 | 730.89 |
| 2014 | 734.5 |
| 2015 | 735.24 |