| 年度 | 实际值 |
|---|---|
| 1993 | 6411 |
| 1994 | 6973 |
| 1995 | 7073 |
| 1996 | 7520 |
| 1997 | 7567 |
| 1998 | 5506 |
| 1999 | 5512 |
| 2000 | 5614 |
| 2001 | 5533 |
| 2002 | 5324 |
| 2003 | 6586 |
| 2004 | 6586 |
| 2005 | 6740 |
| 2006 | 7085 |
| 2007 | 7106 |
| 2008 | 7091 |
| 2009 | 7597 |
| 2010 | 7933 |
| 2011 | 8360 |
| 2012 | 10094 |
| 2013 | 10850 |
| 2014 | 11381 |
| 2015 | 12009 |
| 2016 | 12447 |
| 2017 | 13100 |
| 2018 | 14087 |