| 年度 | 实际值 |
|---|---|
| 1992 | 4092 |
| 1993 | |
| 1994 | |
| 1995 | 4939 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 16191 |
| 2000 | 12577 |
| 2001 | 14898 |
| 2002 | 18595 |
| 2003 | 20216 |
| 2004 | 23288 |
| 2005 | 32422 |
| 2006 | 37299 |
| 2007 | 48693 |
| 2008 | 60508 |
| 2009 | 79952 |
| 2010 | 116390 |
| 2011 | 156423 |
| 2012 | 178358 |
| 2013 | 201063 |
| 2014 | 226607 |
| 2015 | 283956 |
| 2016 | 319680 |