| 年度 | 实际值 |
|---|---|
| 1993 | 29228 |
| 1994 | 19963 |
| 1995 | 21084 |
| 1996 | 18014 |
| 1997 | 19893 |
| 1998 | 24504 |
| 1999 | 24229 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 38402 |
| 2004 | 47194 |
| 2005 | 45117 |
| 2006 | 52118 |
| 2007 | 77448 |
| 2008 | 117001 |
| 2009 | |
| 2010 | 226867 |
| 2011 | 282991 |
| 2012 | 355497 |
| 2013 | 407146 |
| 2014 | 454522 |
| 2015 | 520496 |
| 2016 | 556461 |
| 2017 | 476011 |
| 2018 | 439765 |