| 年度 | 实际值 |
|---|---|
| 1992 | 5133 |
| 1993 | |
| 1994 | |
| 1995 | 9684 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 25986 |
| 2000 | 196745 |
| 2001 | 20573 |
| 2002 | 16507 |
| 2003 | 17954 |
| 2004 | 16313 |
| 2005 | 14734 |
| 2006 | 12135 |
| 2007 | 15043 |
| 2008 | 18364 |
| 2009 | 22564 |
| 2010 | 41768 |
| 2011 | 57040 |
| 2012 | 83835 |
| 2013 | 95533 |
| 2014 | 118445 |
| 2015 | 140799 |
| 2016 | 165056 |
| 2017 | 193239 |