| 年度 | 实际值 |
|---|---|
| 1992 | 9486 |
| 1993 | 10717 |
| 1994 | 4187 |
| 1995 | 4486 |
| 1996 | 4640 |
| 1997 | 5514 |
| 1998 | 6570 |
| 1999 | 36289 |
| 2000 | 44202 |
| 2001 | 52015 |
| 2002 | 59078 |
| 2003 | 64103 |
| 2004 | 64258 |
| 2005 | 71375 |
| 2006 | 91336 |
| 2007 | 119017 |
| 2008 | 159025 |
| 2009 | 205592 |
| 2010 | 279560 |
| 2011 | 293189 |
| 2012 | 419562 |
| 2013 | 429483 |
| 2014 | 477097 |
| 2015 | 530348 |
| 2016 | 545006 |
| 2017 | 550779 |
| 2018 | 582966 |