| 年度 | 实际值 |
|---|---|
| 1992 | 2882 |
| 1993 | |
| 1994 | 4615 |
| 1995 | 4381 |
| 1996 | 8228 |
| 1997 | |
| 1998 | |
| 1999 | 11363 |
| 2000 | 13471 |
| 2001 | 17704 |
| 2002 | 21073 |
| 2003 | 28188 |
| 2004 | 36088 |
| 2005 | 46167 |
| 2006 | 119938 |
| 2007 | 75486 |
| 2008 | 100688 |
| 2009 | 127688 |
| 2010 | 143688 |
| 2011 | 178266 |
| 2012 | 206979 |
| 2013 | 220788 |
| 2014 | 216566 |
| 2015 | 263240 |