| 年度 | 实际值 |
|---|---|
| 1992 | 76994 |
| 1993 | |
| 1994 | |
| 1995 | 124850 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 180731 |
| 2000 | 177999 |
| 2001 | 177535 |
| 2002 | 176215 |
| 2003 | 169258 |
| 2004 | 152653 |
| 2005 | 170979 |
| 2006 | 164564 |
| 2007 | 132148 |
| 2008 | 142710 |
| 2009 | 204997 |
| 2010 | 305598 |
| 2011 | 450321 |
| 2012 | 622161 |
| 2013 | 551539 |
| 2014 | 554746 |
| 2015 | 473256 |
| 2016 | 510957 |
| 2017 | 491348 |