| 年度 | 实际值 |
|---|---|
| 1992 | 8707 |
| 1993 | |
| 1994 | |
| 1995 | 13122 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 22019 |
| 2000 | 18132 |
| 2001 | 16907 |
| 2002 | 21756 |
| 2003 | 24016 |
| 2004 | 25782 |
| 2005 | 29193 |
| 2006 | 24301 |
| 2007 | 31041 |
| 2008 | 34124 |
| 2009 | 43333 |
| 2010 | 55008 |
| 2011 | 68130 |
| 2012 | 105748 |
| 2013 | 141096 |
| 2014 | 143276 |
| 2015 | 135759 |
| 2016 | 94247 |
| 2017 | 102452 |