| 年度 | 实际值 |
|---|---|
| 1995 | 18918 |
| 1996 | 9315 |
| 1997 | 9883 |
| 1998 | 14741 |
| 1999 | 27242 |
| 2000 | 50410 |
| 2001 | 72121 |
| 2002 | 69960 |
| 2003 | 59392 |
| 2004 | 58296 |
| 2005 | 65840 |
| 2006 | 115508 |
| 2007 | 143561 |
| 2008 | 171266 |
| 2009 | |
| 2010 | 582021 |
| 2011 | 695764 |
| 2012 | 770615 |
| 2013 | 692423 |
| 2014 | 548408 |
| 2015 | 634117 |
| 2016 | 526126 |
| 2017 | 419944 |