| 年度 | 实际值 |
|---|---|
| 1992 | 27106 |
| 1993 | 36448 |
| 1994 | 18450 |
| 1995 | 18983 |
| 1996 | 23669 |
| 1997 | 27388 |
| 1998 | 34862 |
| 1999 | 36335 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 161581 |
| 2004 | 197470 |
| 2005 | 240176 |
| 2006 | 319051 |
| 2007 | 429741 |
| 2008 | 717240 |
| 2009 | |
| 2010 | 888467 |
| 2011 | 1100024 |
| 2012 | 1333162 |
| 2013 | 1441078 |
| 2014 | 1560932 |
| 2015 | 1828440 |
| 2016 | 1999945 |
| 2017 | 2305561 |
| 2018 | 2522120 |