| 年度 | 实际值 |
|---|---|
| 1992 | 4806 |
| 1993 | |
| 1994 | |
| 1995 | 6826 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9310 |
| 2000 | 10253 |
| 2001 | 12456 |
| 2002 | 17670 |
| 2003 | 10528 |
| 2004 | 13862 |
| 2005 | 14358 |
| 2006 | 18095 |
| 2007 | 19484 |
| 2008 | 27663 |
| 2009 | 33816 |
| 2010 | 49617 |
| 2011 | 67394 |
| 2012 | 100654 |
| 2013 | 124069 |
| 2014 | 121419 |
| 2015 | 122731 |
| 2016 | 129580 |