| 年度 | 实际值 |
|---|---|
| 1992 | 5907 |
| 1993 | |
| 1994 | |
| 1995 | 8112 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 25089 |
| 2000 | 25047 |
| 2001 | 28286 |
| 2002 | 29420 |
| 2003 | 33966 |
| 2004 | 35611 |
| 2005 | 41710 |
| 2006 | 52588 |
| 2007 | 70104 |
| 2008 | 86262 |
| 2009 | 104969 |
| 2010 | 133520 |
| 2011 | 170146 |
| 2012 | 206027 |
| 2013 | 237065 |
| 2014 | 266019 |
| 2015 | 297160 |
| 2016 | 322766 |