| 年度 | 实际值 |
|---|---|
| 1992 | 271682 |
| 1993 | |
| 1994 | |
| 1995 | 233856 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 265138 |
| 2000 | 237828 |
| 2001 | 185935 |
| 2002 | 149747 |
| 2003 | 125483 |
| 2004 | 169833 |
| 2005 | 170173 |
| 2006 | 30367 |
| 2007 | 166440 |
| 2008 | 179332 |
| 2009 | 181036 |
| 2010 | 183131 |
| 2011 | 183597 |
| 2012 | 186279 |
| 2013 | 180371 |
| 2014 | 122339 |
| 2015 | 119284 |
| 2016 | 120067 |