| 年度 | 实际值 |
|---|---|
| 1992 | 3505 |
| 1993 | |
| 1994 | |
| 1995 | 3837 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13507 |
| 2000 | 13325 |
| 2001 | 18138 |
| 2002 | 19532 |
| 2003 | 21645 |
| 2004 | 25288 |
| 2005 | 32779 |
| 2006 | 43279 |
| 2007 | 62880 |
| 2008 | 74260 |
| 2009 | 119068 |
| 2010 | 136012 |
| 2011 | 157808 |
| 2012 | 211106 |
| 2013 | 222508 |
| 2014 | 236138 |
| 2015 | 267321 |
| 2016 | 264058 |