| 年度 | 实际值 |
|---|---|
| 1992 | 234867 |
| 1993 | |
| 1994 | |
| 1995 | 233038 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 236218 |
| 2000 | 239054 |
| 2001 | 239617 |
| 2002 | 157053 |
| 2003 | 236167 |
| 2004 | 252528 |
| 2005 | 253821 |
| 2006 | 264468 |
| 2007 | 267072 |
| 2008 | 267865 |
| 2009 | 281201 |
| 2010 | 309330 |
| 2011 | 314590 |
| 2012 | 321351 |
| 2013 | 337334 |
| 2014 | 313825 |
| 2015 | 299965 |