| 年度 | 实际值 |
|---|---|
| 1992 | 4886 |
| 1993 | |
| 1994 | 6757 |
| 1995 | 11477 |
| 1996 | 12076 |
| 1997 | |
| 1998 | |
| 1999 | 16443 |
| 2000 | 20918 |
| 2001 | 21988 |
| 2002 | 21848 |
| 2003 | 28428 |
| 2004 | 31068 |
| 2005 | 37006 |
| 2006 | 46111 |
| 2007 | 71088 |
| 2008 | 87070 |
| 2009 | 108892 |
| 2010 | 126736 |
| 2011 | 180089 |
| 2012 | 232976 |
| 2013 | 247583 |
| 2014 | 275343 |
| 2015 | 315129 |