| 年度 | 实际值 |
|---|---|
| 1995 | 6973 |
| 1996 | 8323 |
| 1997 | 9172 |
| 1998 | 12170 |
| 1999 | 21157 |
| 2000 | 22456 |
| 2001 | 51369 |
| 2002 | 52919 |
| 2003 | 61178 |
| 2004 | 52359 |
| 2005 | 72101 |
| 2006 | 85150 |
| 2007 | 147138 |
| 2008 | 278036 |
| 2009 | |
| 2010 | 629694 |
| 2011 | 835156 |
| 2012 | 1107889 |
| 2013 | 1346487 |
| 2014 | 394912 |
| 2015 | 310773 |
| 2016 | 159888 |
| 2017 | 230404 |
| 2018 | 213953 |