| 年度 | 实际值 |
|---|---|
| 1992 | 7859 |
| 1993 | |
| 1994 | |
| 1995 | 154680 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 79382 |
| 2000 | 67500 |
| 2001 | 54404 |
| 2002 | 44889 |
| 2003 | 52578 |
| 2004 | 49908 |
| 2005 | 43200 |
| 2006 | 38033 |
| 2007 | 43100 |
| 2008 | 72779 |
| 2009 | 132047 |
| 2010 | 264285 |
| 2011 | 293900 |
| 2012 | 335970 |
| 2013 | 429300 |
| 2014 | 516100 |
| 2015 | 576800 |
| 2016 | 586100 |
| 2017 | 660958 |