| 年度 | 实际值 |
|---|---|
| 1993 | 5496 |
| 1994 | 5833 |
| 1995 | 6086 |
| 1996 | 5961 |
| 1997 | 6267 |
| 1998 | 6233 |
| 1999 | 5654 |
| 2000 | 5768 |
| 2001 | 5758 |
| 2002 | 6774 |
| 2003 | 6931 |
| 2004 | 5867 |
| 2005 | 6687 |
| 2006 | 6772 |
| 2007 | 8202 |
| 2008 | 7770 |
| 2009 | |
| 2010 | 8156 |
| 2011 | 9309 |
| 2012 | 8459 |
| 2013 | 9072 |
| 2014 | 10313 |
| 2015 | 10508 |
| 2016 | 10754 |
| 2017 | 8308 |
| 2018 | 12610 |