| 年度 | 实际值 |
|---|---|
| 1992 | 317052 |
| 1993 | |
| 1994 | |
| 1995 | 305884 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 336287 |
| 2000 | 300503 |
| 2001 | 292347 |
| 2002 | 294143 |
| 2003 | 312364 |
| 2004 | 358651 |
| 2005 | 371149 |
| 2006 | 400493 |
| 2007 | 415651 |
| 2008 | 446679 |
| 2009 | 474334 |
| 2010 | 441544 |
| 2011 | 500904 |
| 2012 | 500219 |
| 2013 | 505000 |
| 2014 | 510000 |
| 2015 | 510000 |
| 2016 | 511000 |