| 年度 | 实际值 |
|---|---|
| 1992 | 3216 |
| 1993 | |
| 1994 | |
| 1995 | 4267 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 12615 |
| 2000 | 14013 |
| 2001 | 17277 |
| 2002 | 24226 |
| 2003 | 28498 |
| 2004 | 30699 |
| 2005 | 36605 |
| 2006 | 50289 |
| 2007 | 57788 |
| 2008 | 76058 |
| 2009 | 92817 |
| 2010 | 115267 |
| 2011 | 136604 |
| 2012 | 160709 |
| 2013 | 191431 |
| 2014 | 193945 |
| 2015 | 232747 |
| 2016 | 278354 |