| 年度 | 实际值 |
|---|---|
| 1992 | 4514 |
| 1993 | 4971 |
| 1994 | 5283 |
| 1995 | 6303 |
| 1996 | 6535 |
| 1997 | 7080 |
| 1998 | 7401 |
| 1999 | 8315 |
| 2000 | 9457 |
| 2001 | 10648 |
| 2002 | 13060 |
| 2003 | 15638 |
| 2004 | 17892 |
| 2005 | 20492 |
| 2006 | 23627 |
| 2007 | 28323.24 |
| 2008 | 38841.15 |
| 2009 | |
| 2010 | 28374.16 |
| 2011 | 32390 |
| 2012 | 36275 |
| 2013 | 32434 |
| 2014 | 38089 |