| 年度 | 实际值 |
|---|---|
| 1992 | 11571 |
| 1993 | 17465 |
| 1994 | 12081 |
| 1995 | 16619 |
| 1996 | 18169 |
| 1997 | 19914 |
| 1998 | 18287 |
| 1999 | 10900 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 30983 |
| 2004 | 33250 |
| 2005 | 51121 |
| 2006 | 65083 |
| 2007 | 84468 |
| 2008 | 124363 |
| 2009 | |
| 2010 | 240532 |
| 2011 | 268500 |
| 2012 | 321637 |
| 2013 | 289927 |
| 2014 | 184569 |
| 2015 | 237097 |
| 2016 | 208670 |
| 2017 | 230988 |
| 2018 | 265310 |