| 年度 | 实际值 |
|---|---|
| 1992 | 451698 |
| 1993 | |
| 1994 | |
| 1995 | 450673 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 420200 |
| 2000 | 389400 |
| 2001 | 324800 |
| 2002 | 296100 |
| 2003 | 226600 |
| 2004 | 261262 |
| 2005 | 238200 |
| 2006 | 214315 |
| 2007 | 185927 |
| 2008 | 200459 |
| 2009 | 198916 |
| 2010 | 196278 |
| 2011 | 201164 |
| 2012 | 203459 |
| 2013 | 199500 |
| 2014 | 197800 |
| 2015 | 176500 |
| 2016 | 144929 |