| 年度 | 实际值 |
|---|---|
| 1992 | 50050 |
| 1993 | |
| 1994 | |
| 1995 | 50080 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 51050 |
| 2000 | 50300 |
| 2001 | 47150 |
| 2002 | 46080 |
| 2003 | 42710 |
| 2004 | 43350 |
| 2005 | 44030 |
| 2006 | 44090 |
| 2007 | 44720 |
| 2008 | 45720 |
| 2009 | 45960 |
| 2010 | 45950 |
| 2011 | 43360 |
| 2012 | 43530 |
| 2013 | 43400 |
| 2014 | 38350 |
| 2015 | 38420 |
| 2016 | 38350 |