| 年度 | 实际值 |
|---|---|
| 1992 | 4404 |
| 1993 | |
| 1994 | |
| 1995 | 5337 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13558 |
| 2000 | 16194 |
| 2001 | 22066 |
| 2002 | 26253 |
| 2003 | 29099 |
| 2004 | 32151 |
| 2005 | 42996 |
| 2006 | 56950 |
| 2007 | 71374 |
| 2008 | 105138 |
| 2009 | 143918 |
| 2010 | 171844 |
| 2011 | 228615 |
| 2012 | 294898 |
| 2013 | 340628 |
| 2014 | 340682 |
| 2015 | 394391 |
| 2016 | 406355 |