| 年度 | 实际值 |
|---|---|
| 1992 | 1884 |
| 1993 | 1924 |
| 1994 | 1930 |
| 1995 | 2050 |
| 1996 | 2098 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 2339 |
| 2001 | 2378 |
| 2002 | 2447 |
| 2003 | 2477.7 |
| 2004 | 2848.65 |
| 2005 | 2875 |
| 2006 | 3347.3 |
| 2007 | 3433.11 |
| 2008 | 3505.41 |
| 2009 | |
| 2010 | 3562.84 |
| 2011 | 2287.36 |
| 2012 | 1734.62 |
| 2013 | 1576.33 |
| 2014 | 1793.09 |
| 2015 | 1801.8 |