| 年度 | 实际值 |
|---|---|
| 1992 | 4006 |
| 1993 | 5019 |
| 1994 | 3955 |
| 1995 | 5738 |
| 1996 | 7066 |
| 1997 | |
| 1998 | |
| 1999 | 12249 |
| 2000 | 13387 |
| 2001 | 13760 |
| 2002 | 13210 |
| 2003 | 14423 |
| 2004 | 16529 |
| 2005 | 20643 |
| 2006 | 18359 |
| 2007 | 14904 |
| 2008 | 16015 |
| 2009 | 20429 |
| 2010 | 33358 |
| 2011 | 44291 |
| 2012 | 61521 |
| 2013 | 74453 |
| 2014 | 86382 |
| 2015 | 95423 |