| 年度 | 实际值 |
|---|---|
| 1992 | 53691 |
| 1993 | |
| 1994 | |
| 1995 | 51057 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 48650 |
| 2000 | 15661.7333333333 |
| 2001 | 45658.6 |
| 2002 | 44522.1333333333 |
| 2003 | 40875.4 |
| 2004 | 39392.6 |
| 2005 | 38916 |
| 2006 | 36741.4000000017 |
| 2007 | 29442.0604844383 |
| 2008 | 29020 |
| 2009 | 28960 |
| 2010 | 28170 |
| 2011 | 27190 |
| 2012 | |
| 2013 | 26230 |
| 2014 | 25790 |
| 2015 | 27050 |
| 2016 | 25840 |