| 年度 | 实际值 |
|---|---|
| 1992 | 302711 |
| 1993 | |
| 1994 | |
| 1995 | 261630 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 279028 |
| 2000 | 226162 |
| 2001 | 215341 |
| 2002 | 188370 |
| 2003 | 172535 |
| 2004 | 178012 |
| 2005 | 175466 |
| 2006 | 175302 |
| 2007 | 173434 |
| 2008 | 157890 |
| 2009 | 132199 |
| 2010 | 164614 |
| 2011 | 146119 |
| 2012 | 159066 |
| 2013 | 151730 |
| 2014 | 156601 |
| 2015 | 146054 |
| 2016 | 151926 |