| 年度 | 实际值 |
|---|---|
| 1992 | 3612 |
| 1993 | |
| 1994 | |
| 1995 | 4422 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 17689 |
| 2000 | 19922 |
| 2001 | 23572 |
| 2002 | 30165 |
| 2003 | 35955 |
| 2004 | 47476 |
| 2005 | 59166 |
| 2006 | 69923 |
| 2007 | 93167 |
| 2008 | 103355 |
| 2009 | 130287 |
| 2010 | 154410 |
| 2011 | 201509 |
| 2012 | 225686 |
| 2013 | 244571 |
| 2014 | 252570 |
| 2015 | 273786 |
| 2016 | 329580 |