| 年度 | 实际值 |
|---|---|
| 1992 | 10058 |
| 1993 | 14542 |
| 1994 | 3922 |
| 1995 | 6138 |
| 1996 | 8708 |
| 1997 | 9673 |
| 1998 | 11157 |
| 1999 | 11646 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 27643 |
| 2004 | 35980 |
| 2005 | 58828 |
| 2006 | 71706 |
| 2007 | 85911 |
| 2008 | 130832 |
| 2009 | |
| 2010 | 233224 |
| 2011 | 260052 |
| 2012 | 217940 |
| 2013 | 189259 |
| 2014 | 180043 |
| 2015 | 172494 |
| 2016 | 154606 |
| 2017 | 227534 |
| 2018 | 274750 |