| 年度 | 实际值 |
|---|---|
| 1992 | 8162 |
| 1993 | |
| 1994 | 4789 |
| 1995 | 13232 |
| 1996 | 10219 |
| 1997 | |
| 1998 | |
| 1999 | 5675 |
| 2000 | 8812 |
| 2001 | 11641 |
| 2002 | 13808 |
| 2003 | 14212 |
| 2004 | 14453 |
| 2005 | 16893 |
| 2006 | 29568 |
| 2007 | 35861 |
| 2008 | 47398 |
| 2009 | 66100 |
| 2010 | 85638 |
| 2011 | 122457 |
| 2012 | 156292 |
| 2013 | 218059 |
| 2014 | 269657 |
| 2015 | 281120 |