| 年度 | 实际值 |
|---|---|
| 1992 | 21571 |
| 1993 | |
| 1994 | |
| 1995 | 25154 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 45797 |
| 2000 | 40625 |
| 2001 | 42688 |
| 2002 | 44260 |
| 2003 | 50456 |
| 2004 | 63858 |
| 2005 | 65430 |
| 2006 | 80266 |
| 2007 | 80143 |
| 2008 | 77685 |
| 2009 | 94200 |
| 2010 | 117194 |
| 2011 | 181745 |
| 2012 | 289193 |
| 2013 | 357100 |
| 2014 | 427114 |
| 2015 | 427656 |
| 2016 | 493801 |
| 2017 | 502375 |