| 年度 | 实际值 |
|---|---|
| 1992 | 1755 |
| 1993 | |
| 1994 | |
| 1995 | 2619 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9899 |
| 2000 | 10036 |
| 2001 | 15101 |
| 2002 | 14521 |
| 2003 | 17813 |
| 2004 | 18336 |
| 2005 | 23919 |
| 2006 | 30456 |
| 2007 | 37506 |
| 2008 | 67133 |
| 2009 | 82756 |
| 2010 | 87435 |
| 2011 | 122613 |
| 2012 | 144390 |
| 2013 | 178891 |
| 2014 | 210177 |
| 2015 | 230181 |
| 2016 | 265484 |