| 年度 | 实际值 |
|---|---|
| 1993 | 19548 |
| 1994 | 19548 |
| 1995 | 19548 |
| 1996 | |
| 1997 | |
| 1998 | 10645 |
| 1999 | 10072 |
| 2000 | 10072 |
| 2001 | 10072 |
| 2002 | 10072 |
| 2003 | 10072 |
| 2004 | 10072 |
| 2005 | 10072 |
| 2006 | 10072 |
| 2007 | 10072 |
| 2008 | 10072 |
| 2009 | 10072 |
| 2010 | 10072 |
| 2011 | 10072 |
| 2012 | 10072 |
| 2013 | 10072 |
| 2014 | 10030 |
| 2015 | 10030 |
| 2016 | 10030 |
| 2017 | 10030 |
| 2018 | 10030 |