| 年度 | 实际值 |
|---|---|
| 1992 | 6430 |
| 1993 | |
| 1994 | |
| 1995 | 10265 |
| 1996 | 11082 |
| 1997 | |
| 1998 | |
| 1999 | 16966 |
| 2000 | 18092 |
| 2001 | 20117 |
| 2002 | 21241 |
| 2003 | 25430 |
| 2004 | 32096 |
| 2005 | 38328 |
| 2006 | 50606 |
| 2007 | 54188 |
| 2008 | 82843 |
| 2009 | 112141 |
| 2010 | 160938 |
| 2011 | 175917 |
| 2012 | 209971 |
| 2013 | 235206 |
| 2014 | 287798 |
| 2015 | 288501 |