| 年度 | 实际值 |
|---|---|
| 1993 | 10000 |
| 1994 | 10600 |
| 1995 | 11200 |
| 1996 | 10000 |
| 1997 | 12200 |
| 1998 | 11400 |
| 1999 | 10000 |
| 2000 | 11336 |
| 2001 | 11473 |
| 2002 | 13875 |
| 2003 | 14290 |
| 2004 | 14526 |
| 2005 | 14626 |
| 2006 | 14945 |
| 2007 | 15300 |
| 2008 | 16700 |
| 2009 | |
| 2010 | 16200 |
| 2011 | 16500 |
| 2012 | 16349 |
| 2013 | 16351 |
| 2014 | 16241 |
| 2015 | 16579 |