| 年度 | 实际值 |
|---|---|
| 1992 | 2357 |
| 1993 | |
| 1994 | 6416 |
| 1995 | 3770 |
| 1996 | 8777 |
| 1997 | |
| 1998 | |
| 1999 | 12608 |
| 2000 | 13156 |
| 2001 | 18588 |
| 2002 | 21088 |
| 2003 | 25081 |
| 2004 | 35633 |
| 2005 | 41698 |
| 2006 | 52427 |
| 2007 | 68509 |
| 2008 | 88752 |
| 2009 | 109638 |
| 2010 | 133745 |
| 2011 | 168581 |
| 2012 | 234596 |
| 2013 | 265899 |
| 2014 | 282093 |
| 2015 | 344542 |