| 年度 | 实际值 |
|---|---|
| 1993 | 63000 |
| 1994 | 66900 |
| 1995 | |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 73018 |
| 2001 | 68572 |
| 2002 | 60214 |
| 2003 | 49166 |
| 2004 | 44406 |
| 2005 | 37621 |
| 2006 | 34426 |
| 2007 | 33817 |
| 2008 | 28886 |
| 2009 | 28360 |
| 2010 | 29961 |
| 2011 | 32005 |
| 2012 | 33224 |
| 2013 | 34800 |
| 2014 | 35936 |
| 2015 | 37458 |
| 2016 | 38914 |
| 2017 | 39980 |