| 年度 | 实际值 |
|---|---|
| 1993 | 7080 |
| 1994 | 7464 |
| 1995 | 8321 |
| 1996 | 6812 |
| 1997 | 7903 |
| 1998 | 7776 |
| 1999 | 7627 |
| 2000 | 7391 |
| 2001 | 6578 |
| 2002 | 7232 |
| 2003 | 5817 |
| 2004 | 5910 |
| 2005 | 6519 |
| 2006 | 7253 |
| 2007 | 7116 |
| 2008 | 7125 |
| 2009 | |
| 2010 | 5972 |
| 2011 | 6280 |
| 2012 | 8566 |
| 2013 | 9290 |
| 2014 | 9690 |
| 2015 | 10219 |
| 2016 | 10767 |
| 2017 | 10820 |
| 2018 | 10982 |