| 年度 | 实际值 |
|---|---|
| 1992 | 7921 |
| 1993 | |
| 1994 | |
| 1995 | 10400 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 28419 |
| 2000 | 30954 |
| 2001 | 33618 |
| 2002 | 37236 |
| 2003 | 45575 |
| 2004 | 53148 |
| 2005 | 58638 |
| 2006 | 61714 |
| 2007 | 66484 |
| 2008 | 61095 |
| 2009 | 73800 |
| 2010 | 82515 |
| 2011 | 82515 |
| 2012 | 120373 |
| 2013 | 141420 |
| 2014 | 173650 |
| 2015 | 191013 |
| 2016 | 224887 |
| 2017 | 266172 |