| 年度 | 实际值 |
|---|---|
| 1995 | 1592 |
| 1996 | 571 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 2114 |
| 2001 | 3404 |
| 2002 | 8512 |
| 2003 | 25744 |
| 2004 | 25930 |
| 2005 | 102770 |
| 2006 | 512867 |
| 2007 | 296741 |
| 2008 | 198178 |
| 2009 | |
| 2010 | 659217 |
| 2011 | 685192 |
| 2012 | 659349 |
| 2013 | 570253 |
| 2014 | 543607 |
| 2015 | 729966 |
| 2016 | 817250 |
| 2017 | 1079219 |
| 2018 | 908644 |