| 年度 | 实际值 |
|---|---|
| 1992 | 4879 |
| 1993 | |
| 1994 | 4700 |
| 1995 | 11691 |
| 1996 | 10166 |
| 1997 | |
| 1998 | |
| 1999 | 14208 |
| 2000 | 15601 |
| 2001 | 15868 |
| 2002 | 13918 |
| 2003 | 16125 |
| 2004 | 17791 |
| 2005 | 19023 |
| 2006 | 27115 |
| 2007 | 35838 |
| 2008 | 46609 |
| 2009 | 66699 |
| 2010 | 91764 |
| 2011 | 134573 |
| 2012 | 175095 |
| 2013 | 219226 |
| 2014 | 204793 |
| 2015 | 375518 |