| 年度 | 实际值 |
|---|---|
| 1992 | 2313 |
| 1993 | |
| 1994 | |
| 1995 | 4169 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 14875 |
| 2000 | 16627 |
| 2001 | 19400 |
| 2002 | 23861 |
| 2003 | 26457 |
| 2004 | 40151 |
| 2005 | 54042 |
| 2006 | 72199 |
| 2007 | 88892 |
| 2008 | 102433 |
| 2009 | 120292 |
| 2010 | 134037 |
| 2011 | 178504 |
| 2012 | 212380 |
| 2013 | 273336 |
| 2014 | 287132 |
| 2015 | 332118 |
| 2016 | 380343 |