| 年度 | 实际值 |
|---|---|
| 1993 | 32000 |
| 1994 | |
| 1995 | |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 35637 |
| 2000 | 33279 |
| 2001 | 33220 |
| 2002 | 33279 |
| 2003 | 30264 |
| 2004 | 36577 |
| 2005 | 36968 |
| 2006 | 38680 |
| 2007 | 39869 |
| 2008 | 41093 |
| 2009 | 42624 |
| 2010 | 44304 |
| 2011 | 46533 |
| 2012 | 48567 |
| 2013 | 51365 |
| 2014 | 55148 |
| 2015 | 58259 |
| 2016 | 60437 |
| 2017 | 62188 |