| 年度 | 实际值 |
|---|---|
| 1992 | 14598 |
| 1993 | |
| 1994 | 12875 |
| 1995 | 16598 |
| 1996 | 19235 |
| 1997 | |
| 1998 | |
| 1999 | 24464 |
| 2000 | 27337 |
| 2001 | 33900 |
| 2002 | 50000 |
| 2003 | 65000 |
| 2004 | 60410 |
| 2005 | 84600 |
| 2006 | 108905 |
| 2007 | 152559 |
| 2008 | 158904 |
| 2009 | 188300 |
| 2010 | 227256 |
| 2011 | 279040 |
| 2012 | 326121 |
| 2013 | 382000 |
| 2014 | 450800 |
| 2015 | 527900 |