| 年度 | 实际值 |
|---|---|
| 1992 | 6525 |
| 1993 | 3674 |
| 1994 | 4812 |
| 1995 | 4137 |
| 1996 | 6343 |
| 1997 | |
| 1998 | |
| 1999 | 7513 |
| 2000 | 7842 |
| 2001 | 10141 |
| 2002 | 13012 |
| 2003 | 14461 |
| 2004 | 20830 |
| 2005 | 24372 |
| 2006 | 32839 |
| 2007 | 42923 |
| 2008 | 49608 |
| 2009 | 62868 |
| 2010 | 88106 |
| 2011 | 111078 |
| 2012 | 131760 |
| 2013 | 141097 |
| 2014 | 148592 |
| 2015 | 161825 |