| 年度 | 实际值 |
|---|---|
| 1993 | 9159 |
| 1994 | 9391 |
| 1995 | 9440 |
| 1996 | 9437 |
| 1997 | 9498 |
| 1998 | 9446 |
| 1999 | 9232 |
| 2000 | 8559 |
| 2001 | 5652 |
| 2002 | 6604 |
| 2003 | 8646 |
| 2004 | 8475 |
| 2005 | 7951 |
| 2006 | 8801 |
| 2007 | 8890 |
| 2008 | 9056 |
| 2009 | |
| 2010 | 10178 |
| 2011 | 10745 |
| 2012 | 11149 |
| 2013 | 11349 |
| 2014 | 12252 |
| 2015 | 12354 |
| 2016 | 13133 |
| 2017 | 13692 |
| 2018 | 13954 |