| 年度 | 实际值 |
|---|---|
| 1992 | 32857 |
| 1993 | |
| 1994 | |
| 1995 | 40100 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 62859 |
| 2000 | 55660 |
| 2001 | 54670 |
| 2002 | 55153 |
| 2003 | 60066 |
| 2004 | 46300 |
| 2005 | 36747 |
| 2006 | 34000 |
| 2007 | 38027 |
| 2008 | 54011 |
| 2009 | 62148 |
| 2010 | 100166 |
| 2011 | 157809 |
| 2012 | 219496 |
| 2013 | 259364 |
| 2014 | 299600 |
| 2015 | 324098 |
| 2016 | 382706 |
| 2017 | 395249 |