| 年度 | 实际值 |
|---|---|
| 1995 | 780 |
| 1996 | 530 |
| 1997 | |
| 1998 | 13463 |
| 1999 | 304 |
| 2000 | 4480 |
| 2001 | 14923 |
| 2002 | 24977 |
| 2003 | 45801 |
| 2004 | 73290 |
| 2005 | 120079 |
| 2006 | 69273 |
| 2007 | 66447 |
| 2008 | 81224 |
| 2009 | |
| 2010 | 88932 |
| 2011 | 133246 |
| 2012 | 282245 |
| 2013 | 492135 |
| 2014 | 379552 |
| 2015 | 346603 |
| 2016 | 264890 |
| 2017 | 327644 |
| 2018 | 214088 |