| 年度 | 实际值 |
|---|---|
| 1992 | 1119 |
| 1993 | |
| 1994 | |
| 1995 | 3086 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9331 |
| 2000 | 9851 |
| 2001 | 13513 |
| 2002 | 17408 |
| 2003 | 18554 |
| 2004 | 19876 |
| 2005 | 25778 |
| 2006 | 32940 |
| 2007 | 50447 |
| 2008 | 58647 |
| 2009 | 71294 |
| 2010 | 98518 |
| 2011 | 128417 |
| 2012 | 167546 |
| 2013 | 178880 |
| 2014 | 186069 |
| 2015 | 236752 |
| 2016 | 280155 |