| 年度 | 实际值 |
|---|---|
| 1992 | 3637 |
| 1993 | |
| 1994 | |
| 1995 | 7011 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13764 |
| 2000 | 12837 |
| 2001 | 16776 |
| 2002 | 21750 |
| 2003 | 35046 |
| 2004 | 22504 |
| 2005 | 26374 |
| 2006 | 34251 |
| 2007 | 44402 |
| 2008 | 59422 |
| 2009 | 75711 |
| 2010 | 95971 |
| 2011 | 116796 |
| 2012 | 138078 |
| 2013 | 159628 |
| 2014 | 159328 |
| 2015 | 194442 |
| 2016 | 214228 |