| 年度 | 实际值 |
|---|---|
| 1992 | 2965 |
| 1993 | |
| 1994 | |
| 1995 | 41833 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 59730 |
| 2000 | 73308 |
| 2001 | 69479 |
| 2002 | 66113 |
| 2003 | 71362 |
| 2004 | 61730 |
| 2005 | 57916 |
| 2006 | 65140 |
| 2007 | 74357 |
| 2008 | 69024 |
| 2009 | 100662 |
| 2010 | 127004 |
| 2011 | 168816 |
| 2012 | 220901 |
| 2013 | 308922 |
| 2014 | 366875 |
| 2015 | 507171 |
| 2016 | 607534 |
| 2017 | 656577 |