| 年度 | 实际值 |
|---|---|
| 1992 | 3530 |
| 1993 | 6121 |
| 1994 | 10293 |
| 1995 | 9257 |
| 1996 | 17127 |
| 1997 | |
| 1998 | |
| 1999 | 28275 |
| 2000 | 13868 |
| 2001 | 10174 |
| 2002 | 8909 |
| 2003 | 7951 |
| 2004 | 7579 |
| 2005 | 6861 |
| 2006 | 8176 |
| 2007 | 12038 |
| 2008 | 16783 |
| 2009 | 25081 |
| 2010 | 35863 |
| 2011 | 47930 |
| 2012 | 65423 |
| 2013 | 75913 |
| 2014 | 183704 |
| 2015 | 212246 |