| 年度 | 实际值 |
|---|---|
| 1992 | 2287 |
| 1993 | |
| 1994 | |
| 1995 | 2421 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 14369 |
| 2000 | 16346 |
| 2001 | 18364 |
| 2002 | 24442 |
| 2003 | 27817 |
| 2004 | 25808 |
| 2005 | 34120 |
| 2006 | 43279 |
| 2007 | 53681 |
| 2008 | 65512 |
| 2009 | 72808 |
| 2010 | 105394 |
| 2011 | 142465 |
| 2012 | 176020 |
| 2013 | 193777 |
| 2014 | 210439 |
| 2015 | 225470 |
| 2016 | 250103 |