| 年度 | 实际值 |
|---|---|
| 1995 | 5179 |
| 1996 | 6603 |
| 1997 | 14644 |
| 1998 | 26707 |
| 1999 | 27349 |
| 2000 | 28999 |
| 2001 | 25337 |
| 2002 | 14853 |
| 2003 | 26777 |
| 2004 | 32150 |
| 2005 | 37500 |
| 2006 | 45844 |
| 2007 | 52500 |
| 2008 | 67000 |
| 2009 | |
| 2010 | 141845 |
| 2011 | 203634 |
| 2012 | 225182 |
| 2013 | 224863 |
| 2014 | 316585 |
| 2015 | 283040 |
| 2016 | 427444 |
| 2017 | 247356 |
| 2018 | 287710 |