| 年度 | 实际值 |
|---|---|
| 1992 | 6761 |
| 1993 | |
| 1994 | |
| 1995 | 7075 |
| 1996 | 14971 |
| 1997 | |
| 1998 | |
| 1999 | 19693 |
| 2000 | 21566 |
| 2001 | 25845 |
| 2002 | 32162 |
| 2003 | 34692 |
| 2004 | 40431 |
| 2005 | 47998 |
| 2006 | 56242 |
| 2007 | 58848 |
| 2008 | 71602 |
| 2009 | 87005 |
| 2010 | 113901 |
| 2011 | 139473 |
| 2012 | 166148 |
| 2013 | 196258 |
| 2014 | 211752 |
| 2015 | 248418 |
| 2016 | 268982 |