| 年度 | 实际值 |
|---|---|
| 1992 | 8427 |
| 1993 | |
| 1994 | |
| 1995 | 22481 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 43663 |
| 2000 | 43051 |
| 2001 | 46070 |
| 2002 | 49164 |
| 2003 | 55831 |
| 2004 | 60180 |
| 2005 | 68848 |
| 2006 | 91200 |
| 2007 | 77925 |
| 2008 | 128271 |
| 2009 | 159900 |
| 2010 | 188700 |
| 2011 | 188700 |
| 2012 | 292300 |
| 2013 | 379880 |
| 2014 | 420419 |
| 2015 | 447082 |
| 2016 | 460504 |
| 2017 | 501501 |