| 年度 | 实际值 |
|---|---|
| 1992 | 8420 |
| 1993 | |
| 1994 | |
| 1995 | 12510 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 23489 |
| 2000 | 23794 |
| 2001 | 27516 |
| 2002 | 30048 |
| 2003 | 32756 |
| 2004 | 35141 |
| 2005 | 37745 |
| 2006 | 46996 |
| 2007 | 45704 |
| 2008 | 53763 |
| 2009 | 57976 |
| 2010 | 56241 |
| 2011 | 68425 |
| 2012 | 90549 |
| 2013 | 111128 |
| 2014 | 126603 |
| 2015 | 241995 |
| 2016 | 291265 |
| 2017 | 299647 |