| 年度 | 实际值 |
|---|---|
| 1992 | 11988 |
| 1993 | 12031 |
| 1994 | 12392 |
| 1995 | 13267 |
| 1996 | 12450 |
| 1997 | 12690 |
| 1998 | 14693 |
| 1999 | 15442 |
| 2000 | 16228 |
| 2001 | 16244 |
| 2002 | 15943 |
| 2003 | 16610 |
| 2004 | 17045 |
| 2005 | 19612 |
| 2006 | 20818 |
| 2007 | 22551.89 |
| 2008 | 29143.85 |
| 2009 | |
| 2010 | 40288.33 |
| 2011 | 41804 |
| 2012 | 43892 |
| 2013 | 44529 |
| 2014 | 48530 |