| 年度 | 实际值 |
|---|---|
| 1993 | 3462 |
| 1994 | 3480 |
| 1995 | 3667 |
| 1996 | 3701 |
| 1997 | 3933 |
| 1998 | 3900 |
| 1999 | 3953 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 5834 |
| 2004 | 6848 |
| 2005 | 7468 |
| 2006 | 8354 |
| 2007 | 9066 |
| 2008 | 10131 |
| 2009 | |
| 2010 | 12174 |
| 2011 | 12929 |
| 2012 | 13177 |
| 2013 | 13333 |
| 2014 | 13452 |
| 2015 | 13514 |
| 2016 | 13797 |
| 2017 | 13958 |
| 2018 | 15195 |