| 年度 | 实际值 |
|---|---|
| 1992 | 20000 |
| 1993 | |
| 1994 | |
| 1995 | 94402 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 174334 |
| 2000 | 171402 |
| 2001 | 164589 |
| 2002 | 159795 |
| 2003 | 127095 |
| 2004 | 129687 |
| 2005 | 128933 |
| 2006 | 138079 |
| 2007 | 148770 |
| 2008 | 141677 |
| 2009 | 164503 |
| 2010 | 191563 |
| 2011 | 209804 |
| 2012 | 239326 |
| 2013 | 267351 |
| 2014 | 312362 |
| 2015 | 401854 |
| 2016 | 402069 |
| 2017 | 389356 |