| 年度 | 实际值 |
|---|---|
| 1992 | 4508 |
| 1993 | |
| 1994 | |
| 1995 | 5672 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 18387 |
| 2000 | 18186 |
| 2001 | 17544 |
| 2002 | 14875 |
| 2003 | 15470 |
| 2004 | 15660 |
| 2005 | 16521 |
| 2006 | 16966 |
| 2007 | 22024 |
| 2008 | 27381 |
| 2009 | 34146 |
| 2010 | 43166 |
| 2011 | 62374 |
| 2012 | 84100 |
| 2013 | 101000 |
| 2014 | 127500 |
| 2015 | 147900 |
| 2016 | 162955 |