| 年度 | 实际值 |
|---|---|
| 1992 | 1400 |
| 1993 | |
| 1994 | |
| 1995 | 24183 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 51546 |
| 2000 | 49655 |
| 2001 | 55830 |
| 2002 | 56364 |
| 2003 | 60129 |
| 2004 | 64340 |
| 2005 | 66218 |
| 2006 | 64854 |
| 2007 | 82593 |
| 2008 | 74431 |
| 2009 | 94907 |
| 2010 | 114966 |
| 2011 | 132703 |
| 2012 | 152117 |
| 2013 | 177849 |
| 2014 | 203157 |
| 2015 | 236805 |
| 2016 | 287105 |
| 2017 | 345420 |