| 年度 | 实际值 |
|---|---|
| 1992 | 3281 |
| 1993 | |
| 1994 | |
| 1995 | 3482 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 12130 |
| 2000 | 11413 |
| 2001 | 14737 |
| 2002 | 17318 |
| 2003 | 16589 |
| 2004 | 20701 |
| 2005 | 26649 |
| 2006 | 34221 |
| 2007 | 47064 |
| 2008 | 57682 |
| 2009 | 79793 |
| 2010 | 103862 |
| 2011 | 126876 |
| 2012 | 148501 |
| 2013 | 161343 |
| 2014 | 171742 |
| 2015 | 218949 |
| 2016 | 245125 |