| 年度 | 实际值 |
|---|---|
| 1992 | 11180 |
| 1993 | |
| 1994 | |
| 1995 | 17363 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 36758 |
| 2000 | 32552 |
| 2001 | 31752 |
| 2002 | 28452 |
| 2003 | 30863 |
| 2004 | 31979 |
| 2005 | 33019 |
| 2006 | 28956 |
| 2007 | 34258 |
| 2008 | 52083 |
| 2009 | 69312 |
| 2010 | 85800 |
| 2011 | 124947 |
| 2012 | 167900 |
| 2013 | 195789 |
| 2014 | 234809 |
| 2015 | 262429 |
| 2016 | 273441 |
| 2017 | 325458 |