| 年度 | 实际值 |
|---|---|
| 1992 | 375522 |
| 1993 | |
| 1994 | |
| 1995 | 347032 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 282632 |
| 2000 | 231121 |
| 2001 | 171310 |
| 2002 | 138333 |
| 2003 | 115424 |
| 2004 | 130165 |
| 2005 | 177180 |
| 2006 | 213533 |
| 2007 | 207670 |
| 2008 | 236664 |
| 2009 | 244083.3 |
| 2010 | 233161.9 |
| 2011 | 234521 |
| 2012 | 229488.8 |
| 2013 | 190591 |
| 2014 | 145293.5 |
| 2015 | 124158.9 |
| 2016 | 84287 |