| 年度 | 实际值 |
|---|---|
| 1992 | 8774 |
| 1993 | 24881 |
| 1994 | 4498 |
| 1995 | 7319 |
| 1996 | 9670 |
| 1997 | 9827 |
| 1998 | 11008 |
| 1999 | 12600 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 54460 |
| 2004 | 41052 |
| 2005 | 51240 |
| 2006 | 67437 |
| 2007 | 83609 |
| 2008 | 109065 |
| 2009 | |
| 2010 | 180131 |
| 2011 | 245726 |
| 2012 | 310287 |
| 2013 | 369609 |
| 2014 | 413952 |
| 2015 | 401809 |
| 2016 | 420400 |
| 2017 | 415069 |
| 2018 | 410891 |