| 年度 | 实际值 |
|---|---|
| 1992 | 252937 |
| 1993 | |
| 1994 | |
| 1995 | 327124 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 619273 |
| 2000 | 207794 |
| 2001 | 230045 |
| 2002 | 180079 |
| 2003 | 156973 |
| 2004 | 210189 |
| 2005 | 218532 |
| 2006 | 269826 |
| 2007 | 188372 |
| 2008 | 273901 |
| 2009 | 260010 |
| 2010 | 320516 |
| 2011 | 502892 |
| 2012 | 546180 |
| 2013 | 431785 |
| 2014 | 455604 |
| 2015 | 476199 |