| 年度 | 实际值 |
|---|---|
| 1992 | 3740 |
| 1993 | 3780 |
| 1994 | 3828 |
| 1995 | 3963 |
| 1996 | 2895 |
| 1997 | 2940 |
| 1998 | 3002 |
| 1999 | 3084 |
| 2000 | 3155 |
| 2001 | 3251 |
| 2002 | 3399 |
| 2003 | 3529.86 |
| 2004 | 3641.55 |
| 2005 | 3750.47 |
| 2006 | 3859.71 |
| 2007 | 3934.35 |
| 2008 | 2495.5 |
| 2009 | |
| 2010 | 2523.04 |
| 2011 | 1553.87 |
| 2012 | 1559.69 |
| 2013 | 1566.75 |
| 2014 | 1589.06 |
| 2015 | 1671.03 |