| 年度 | 实际值 |
|---|---|
| 1992 | 1197 |
| 1993 | |
| 1994 | |
| 1995 | 1330 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7542 |
| 2000 | 9046 |
| 2001 | 11525 |
| 2002 | 13886 |
| 2003 | 16978 |
| 2004 | 17082 |
| 2005 | 22568 |
| 2006 | 28232 |
| 2007 | 38742 |
| 2008 | 55703 |
| 2009 | 81011 |
| 2010 | 102383 |
| 2011 | 116877 |
| 2012 | 145018 |
| 2013 | 153660 |
| 2014 | 170252 |
| 2015 | 201203 |
| 2016 | 226150 |