| 年度 | 实际值 |
|---|---|
| 1992 | 5417 |
| 1993 | |
| 1994 | |
| 1995 | 1562 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 21024 |
| 2000 | 20600 |
| 2001 | 21675 |
| 2002 | 24104 |
| 2003 | 27296 |
| 2004 | 25125 |
| 2005 | 30821 |
| 2006 | 39014 |
| 2007 | 32981 |
| 2008 | 31653 |
| 2009 | 27185 |
| 2010 | 38216 |
| 2011 | 49921 |
| 2012 | 65243 |
| 2013 | 85711 |
| 2014 | 106102 |
| 2015 | 152648 |
| 2016 | 170865 |
| 2017 | 194609 |