| 年度 | 实际值 |
|---|---|
| 1992 | 6570 |
| 1993 | 7051 |
| 1994 | 3520 |
| 1995 | 4599 |
| 1996 | 6884 |
| 1997 | 5075 |
| 1998 | 4302 |
| 1999 | 4686 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 26763 |
| 2004 | 30427 |
| 2005 | 33789 |
| 2006 | 45193 |
| 2007 | 79569 |
| 2008 | 102178 |
| 2009 | |
| 2010 | 148597 |
| 2011 | 193904 |
| 2012 | 233475 |
| 2013 | 271080 |
| 2014 | 263204 |
| 2015 | 294956 |
| 2016 | 322907 |
| 2017 | 365851 |
| 2018 | 388390 |