| 年度 | 实际值 |
|---|---|
| 1992 | 3224 |
| 1993 | |
| 1994 | |
| 1995 | 5901 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9204 |
| 2000 | 8446 |
| 2001 | 9065 |
| 2002 | 11268 |
| 2003 | 11373 |
| 2004 | 12382 |
| 2005 | 15798 |
| 2006 | 19302 |
| 2007 | 26453 |
| 2008 | 29910 |
| 2009 | 43515 |
| 2010 | 63775 |
| 2011 | 81247 |
| 2012 | 98149 |
| 2013 | 127152 |
| 2014 | 146764 |
| 2015 | 168689 |
| 2016 | 182675 |