| 年度 | 实际值 |
|---|---|
| 1992 | 6709 |
| 1993 | 7884 |
| 1994 | 9456 |
| 1995 | 4321 |
| 1996 | 12138 |
| 1997 | |
| 1998 | |
| 1999 | 18250 |
| 2000 | 23226 |
| 2001 | 29682 |
| 2002 | 36898 |
| 2003 | 36831 |
| 2004 | 43208 |
| 2005 | 50186 |
| 2006 | 73250 |
| 2007 | 87624 |
| 2008 | 119430 |
| 2009 | 143136 |
| 2010 | 187308 |
| 2011 | 296254 |
| 2012 | 319966 |
| 2013 | 353879 |
| 2014 | 301810 |
| 2015 | 456094 |