| 年度 | 实际值 |
|---|---|
| 1995 | 5713 |
| 1996 | 1347 |
| 1997 | 1922 |
| 1998 | 3901 |
| 1999 | 3918 |
| 2000 | 7416 |
| 2001 | 7023 |
| 2002 | 9864 |
| 2003 | 9248 |
| 2004 | 13210 |
| 2005 | 15510 |
| 2006 | 14884 |
| 2007 | 10593 |
| 2008 | 16139 |
| 2009 | |
| 2010 | 270930 |
| 2011 | 492397 |
| 2012 | 487604 |
| 2013 | 196857 |
| 2014 | 194092 |
| 2015 | 229341 |
| 2016 | 101575 |
| 2017 | 105781 |
| 2018 | 261512 |