| 年度 | 实际值 |
|---|---|
| 1992 | 3911 |
| 1993 | |
| 1994 | |
| 1995 | 10673 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 11539 |
| 2000 | 11166 |
| 2001 | 11720 |
| 2002 | 12022 |
| 2003 | 12377 |
| 2004 | 14620 |
| 2005 | 16771 |
| 2006 | 16860 |
| 2007 | 22632 |
| 2008 | 26139 |
| 2009 | 26710 |
| 2010 | 35151 |
| 2011 | 47577 |
| 2012 | 59156 |
| 2013 | 71611 |
| 2014 | 73165 |
| 2015 | 73357 |
| 2016 | 73639 |