| 年度 | 实际值 |
|---|---|
| 1992 | 3835 |
| 1993 | |
| 1994 | 6874 |
| 1995 | 1983 |
| 1996 | 7906 |
| 1997 | |
| 1998 | |
| 1999 | 11799 |
| 2000 | 11547 |
| 2001 | 14420 |
| 2002 | 17743 |
| 2003 | 20441 |
| 2004 | 27190 |
| 2005 | 35990 |
| 2006 | 44830 |
| 2007 | 54477 |
| 2008 | 72518 |
| 2009 | 111786 |
| 2010 | 161911 |
| 2011 | 177540 |
| 2012 | 210811 |
| 2013 | 240498 |
| 2014 | 227297 |
| 2015 | 221748 |