| 年度 | 实际值 |
|---|---|
| 1992 | 1289 |
| 1993 | |
| 1994 | |
| 1995 | 1430 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9138 |
| 2000 | 9828 |
| 2001 | 13332 |
| 2002 | 15663 |
| 2003 | 16434 |
| 2004 | 19655 |
| 2005 | 26291 |
| 2006 | 35843 |
| 2007 | 50720 |
| 2008 | 64089 |
| 2009 | 76100 |
| 2010 | 107549 |
| 2011 | 128353 |
| 2012 | 174558 |
| 2013 | 171537 |
| 2014 | 192486 |
| 2015 | 222787 |
| 2016 | 243154 |