| 年度 | 实际值 |
|---|---|
| 1993 | 53000 |
| 1994 | 53600 |
| 1995 | 53400 |
| 1996 | 380000 |
| 1997 | 389800 |
| 1998 | 390700 |
| 1999 | 382048 |
| 2000 | 362400 |
| 2001 | 333440 |
| 2002 | 362426 |
| 2003 | 254704 |
| 2004 | 214920 |
| 2005 | 188030 |
| 2006 | 182720 |
| 2007 | 173658 |
| 2008 | 166028 |
| 2009 | 162657 |
| 2010 | 159949 |
| 2011 | 163626 |
| 2012 | 166151 |
| 2013 | 166382 |
| 2014 | 172833 |
| 2015 | 179199 |
| 2016 | 186013 |