| 年度 | 实际值 |
|---|---|
| 1995 | 5356 |
| 1996 | 4057 |
| 1997 | 4191 |
| 1998 | 10978 |
| 1999 | 15027 |
| 2000 | 16721 |
| 2001 | 17635 |
| 2002 | 27102 |
| 2003 | 39668 |
| 2004 | 70121 |
| 2005 | 51093 |
| 2006 | 63428 |
| 2007 | 109469 |
| 2008 | 125642 |
| 2009 | |
| 2010 | 161373 |
| 2011 | 358317 |
| 2012 | 404511 |
| 2013 | 333412 |
| 2014 | 725665 |
| 2015 | 397213 |
| 2016 | 260905 |
| 2017 | 109545 |
| 2018 | 55231 |