| 年度 | 实际值 |
|---|---|
| 1995 | 8921 |
| 1996 | 7912 |
| 1997 | 6939 |
| 1998 | 8614 |
| 1999 | 14610 |
| 2000 | 21052 |
| 2001 | 27945 |
| 2002 | 56303 |
| 2003 | 165164 |
| 2004 | 167597 |
| 2005 | 117878 |
| 2006 | 116183 |
| 2007 | 125808 |
| 2008 | 191321 |
| 2009 | |
| 2010 | 202047 |
| 2011 | 296785 |
| 2012 | 367045 |
| 2013 | 269801 |
| 2014 | 208430 |
| 2015 | 183383 |
| 2016 | 313851 |
| 2017 | 315896 |