| 年度 | 实际值 |
|---|---|
| 1993 | 4660 |
| 1994 | 7152 |
| 1995 | 5487 |
| 1996 | 5526 |
| 1997 | 5558 |
| 1998 | 4882 |
| 1999 | 5507 |
| 2000 | 6371 |
| 2001 | 5776 |
| 2002 | 4869 |
| 2003 | 5432 |
| 2004 | 5486 |
| 2005 | 5672 |
| 2006 | 5815 |
| 2007 | 6073 |
| 2008 | 6245 |
| 2009 | |
| 2010 | 6643 |
| 2011 | 7136 |
| 2012 | 7590 |
| 2013 | 7891 |
| 2014 | 7729 |
| 2015 | 8927 |
| 2016 | 9298 |
| 2017 | 9859 |
| 2018 | 10298 |