| 年度 | 实际值 |
|---|---|
| 1992 | 1458 |
| 1993 | 1499 |
| 1994 | 1518 |
| 1995 | 1730 |
| 1996 | 1780 |
| 1997 | 1830 |
| 1998 | 1713 |
| 1999 | 1720 |
| 2000 | 1893 |
| 2001 | 1928 |
| 2002 | 1984 |
| 2003 | 2037.74 |
| 2004 | 2090.91 |
| 2005 | 2138.57 |
| 2006 | 2173 |
| 2007 | 2220.39 |
| 2008 | 2253.72 |
| 2009 | |
| 2010 | 2276.31 |
| 2011 | 1699.81 |
| 2012 | 2408.54 |
| 2013 | 1749.9 |
| 2014 | 1745.81 |
| 2015 | 661.35 |