| 年度 | 实际值 |
|---|---|
| 1993 | 9128 |
| 1994 | 8889 |
| 1995 | 8991 |
| 1996 | 6847 |
| 1997 | 6958 |
| 1998 | 7287 |
| 1999 | 7838 |
| 2000 | 8056 |
| 2001 | 7784 |
| 2002 | 7299 |
| 2003 | 7506 |
| 2004 | 7502 |
| 2005 | 7309 |
| 2006 | 8017 |
| 2007 | 8918 |
| 2008 | 9140 |
| 2009 | |
| 2010 | 10105 |
| 2011 | 10529 |
| 2012 | 12905 |
| 2013 | 14019 |
| 2014 | 14825 |
| 2015 | 15131 |
| 2016 | 16024 |
| 2017 | 17533 |
| 2018 | 19902 |