| 年度 | 实际值 |
|---|---|
| 1990 | 13900 |
| 1991 | 15070 |
| 1992 | 17915 |
| 1993 | 25125 |
| 1994 | 32273 |
| 1995 | 38702 |
| 1996 | 46855 |
| 1997 | 48839 |
| 1998 | 53146 |
| 1999 | 53808 |
| 2000 | 70531 |
| 2001 | 85284 |
| 2002 | 102742 |
| 2003 | 149662 |
| 2004 | 157657 |
| 2005 | 167649 |
| 2006 | 199265 |
| 2007 | 235362 |
| 2008 | 238532 |
| 2009 | 276474 |
| 2010 | 315112 |
| 2011 | 544834 |
| 2012 | 652428 |
| 2013 | 702659 |
| 2014 | 717144 |
| 2015 | 742000 |