| 年度 | 实际值 |
|---|---|
| 1995 | 3100 |
| 1996 | 3543 |
| 1997 | |
| 1998 | |
| 1999 | 13374 |
| 2000 | 15735 |
| 2001 | 12095 |
| 2002 | 16749 |
| 2003 | 36414 |
| 2004 | 39787 |
| 2005 | 56666 |
| 2006 | 117595 |
| 2007 | 123212 |
| 2008 | 121321 |
| 2009 | |
| 2010 | 161565 |
| 2011 | 168452 |
| 2012 | 422212 |
| 2013 | 648721 |
| 2014 | 538769 |
| 2015 | 506582 |
| 2016 | 444570 |
| 2017 | 270989 |
| 2018 | 426514 |