| 年度 | 实际值 |
|---|---|
| 1992 | 283641 |
| 1993 | |
| 1994 | |
| 1995 | 292643 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 352312 |
| 2000 | 339398 |
| 2001 | 280954 |
| 2002 | 249497 |
| 2003 | 215529 |
| 2004 | 213327 |
| 2005 | 209411 |
| 2006 | 224862 |
| 2007 | 147512 |
| 2008 | 149898 |
| 2009 | 153722 |
| 2010 | 154386 |
| 2011 | 160979 |
| 2012 | 165261 |
| 2013 | 150478 |
| 2014 | 161200 |
| 2015 | 162100.6 |
| 2016 | 160936 |