| 年度 | 实际值 |
|---|---|
| 1992 | 8452 |
| 1993 | |
| 1994 | 15705 |
| 1995 | 12839 |
| 1996 | 17971 |
| 1997 | |
| 1998 | |
| 1999 | 24360 |
| 2000 | 25601 |
| 2001 | 30803 |
| 2002 | 37618 |
| 2003 | 37821 |
| 2004 | 48071 |
| 2005 | 49518 |
| 2006 | 58149 |
| 2007 | 71979 |
| 2008 | 97040 |
| 2009 | 111488 |
| 2010 | 136471 |
| 2011 | 160669 |
| 2012 | 182198 |
| 2013 | 217056 |
| 2014 | 237685 |
| 2015 | 300023 |