| 年度 | 实际值 |
|---|---|
| 1992 | 13120 |
| 1993 | |
| 1994 | 9454 |
| 1995 | 30134 |
| 1996 | 20293 |
| 1997 | |
| 1998 | |
| 1999 | 26320 |
| 2000 | 27215 |
| 2001 | 31758 |
| 2002 | 29146 |
| 2003 | 36196 |
| 2004 | 45818 |
| 2005 | 61728 |
| 2006 | 73639 |
| 2007 | 91506 |
| 2008 | 107028 |
| 2009 | 123659 |
| 2010 | 132739 |
| 2011 | 177068 |
| 2012 | 247313 |
| 2013 | 367195 |
| 2014 | 427414 |
| 2015 | 498532 |