| 年度 | 实际值 |
|---|---|
| 1992 | 4479 |
| 1993 | 5153 |
| 1994 | 5202 |
| 1995 | 5306 |
| 1996 | 5397 |
| 1997 | 5495 |
| 1998 | 5314 |
| 1999 | 2721 |
| 2000 | 2777 |
| 2001 | 2854 |
| 2002 | 2949 |
| 2003 | 3058.33 |
| 2004 | 3190.06 |
| 2005 | 3227.88 |
| 2006 | 3372.76 |
| 2007 | 3400 |
| 2008 | 3382.37 |
| 2009 | |
| 2010 | 3405.45 |
| 2011 | 3463.46 |
| 2012 | 3472.12 |
| 2013 | 3269.72 |
| 2014 | 3377.68 |
| 2015 | 1099.42 |