| 年度 | 实际值 |
|---|---|
| 1993 | 6411 |
| 1994 | 6798 |
| 1995 | 6999 |
| 1996 | 7036 |
| 1997 | 7175 |
| 1998 | 7264 |
| 1999 | 7279 |
| 2000 | 7379 |
| 2001 | 7505 |
| 2002 | 5700 |
| 2003 | 6137 |
| 2004 | 6220 |
| 2005 | 4883 |
| 2006 | 6001 |
| 2007 | 6911 |
| 2008 | 6955 |
| 2009 | |
| 2010 | 8441 |
| 2011 | 9449 |
| 2012 | 10125 |
| 2013 | 10869 |
| 2014 | 11230 |
| 2015 | 8188 |
| 2016 | 8422 |
| 2017 | 12810 |
| 2018 | 13651 |