| 年度 | 实际值 |
|---|---|
| 1992 | 5110 |
| 1993 | |
| 1994 | 9684 |
| 1995 | 12187 |
| 1996 | 11627 |
| 1997 | |
| 1998 | |
| 1999 | 15204 |
| 2000 | 16341 |
| 2001 | 13846 |
| 2002 | 14888 |
| 2003 | 18401 |
| 2004 | 25458 |
| 2005 | 33433 |
| 2006 | 42666 |
| 2007 | 54307 |
| 2008 | 65551 |
| 2009 | 80618 |
| 2010 | 94642 |
| 2011 | 121505 |
| 2012 | 153518 |
| 2013 | 146588 |
| 2014 | 150036 |
| 2015 | 183090 |