| 年度 | 实际值 |
|---|---|
| 1992 | 1838 |
| 1993 | |
| 1994 | 4806 |
| 1995 | 1906 |
| 1996 | 8685 |
| 1997 | |
| 1998 | |
| 1999 | 12360 |
| 2000 | 13145 |
| 2001 | 16599 |
| 2002 | 17746 |
| 2003 | 18620 |
| 2004 | 23622 |
| 2005 | 29767 |
| 2006 | 37506 |
| 2007 | 53044 |
| 2008 | 64912 |
| 2009 | 93400 |
| 2010 | 136915 |
| 2011 | 140151 |
| 2012 | 170879 |
| 2013 | 233556 |
| 2014 | 197160 |
| 2015 | 195901 |