| 年度 | 实际值 |
|---|---|
| 1994 | 35495 |
| 1995 | 45731 |
| 1996 | 35659 |
| 1997 | 35346 |
| 1998 | 32184 |
| 1999 | 33917 |
| 2000 | 36277 |
| 2001 | 36847 |
| 2002 | 41795 |
| 2003 | 51200 |
| 2004 | 57376 |
| 2005 | 49414 |
| 2006 | 57570 |
| 2007 | 68260 |
| 2008 | 54141 |
| 2009 | 61938 |
| 2010 | 86634 |
| 2011 | 123484 |
| 2012 | 140555 |
| 2013 | 156247 |
| 2014 | 148446 |
| 2015 | 150947 |
| 2016 | 151647 |
| 2017 | 135536 |
| 2018 | 40584 |