| 年度 | 实际值 |
|---|---|
| 1992 | 1607 |
| 1993 | 1638 |
| 1994 | 1657 |
| 1995 | 1709 |
| 1996 | 1640 |
| 1997 | 1662 |
| 1998 | 1676 |
| 1999 | 1704 |
| 2000 | 1727 |
| 2001 | 1758 |
| 2002 | 1831 |
| 2003 | 1899 |
| 2004 | 1692.09 |
| 2005 | 1722.88 |
| 2006 | 1817.06 |
| 2007 | 1836.18 |
| 2008 | 1855.29 |
| 2009 | |
| 2010 | 252.82 |
| 2011 | 1879.41 |
| 2012 | 1165.48 |
| 2013 | 1169.74 |
| 2014 | 1121.42 |
| 2015 | 1118.69 |