| 年度 | 实际值 |
|---|---|
| 1993 | 62000 |
| 1994 | 66400 |
| 1995 | 70300 |
| 1996 | 70000 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 78528 |
| 2001 | 76661 |
| 2002 | 334103 |
| 2003 | 66111 |
| 2004 | 58427 |
| 2005 | 53418 |
| 2006 | 50933 |
| 2007 | 49609 |
| 2008 | 46696 |
| 2009 | 43856 |
| 2010 | 41076 |
| 2011 | 40048 |
| 2012 | 37560 |
| 2013 | 35278 |
| 2014 | 26063 |
| 2015 | 27413 |
| 2016 | 29431 |
| 2017 | 31737 |