| 年度 | 实际值 |
|---|---|
| 1992 | 923 |
| 1993 | 10224 |
| 1994 | 13139 |
| 1995 | 5123 |
| 1996 | 11987 |
| 1997 | |
| 1998 | |
| 1999 | 6308 |
| 2000 | 6667 |
| 2001 | 8425 |
| 2002 | 8315 |
| 2003 | 8851 |
| 2004 | 10204 |
| 2005 | 12630 |
| 2006 | 17288 |
| 2007 | 24499 |
| 2008 | 24168 |
| 2009 | 28658 |
| 2010 | 33126 |
| 2011 | 39993 |
| 2012 | 47022 |
| 2013 | 55583 |
| 2014 | 65952 |
| 2015 | 77306 |