| 年度 | 实际值 |
|---|---|
| 1992 | 17918 |
| 1993 | |
| 1994 | |
| 1995 | 25126 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 28270 |
| 2000 | 24437 |
| 2001 | |
| 2002 | 24593 |
| 2003 | 33001 |
| 2004 | 36381 |
| 2005 | 46298 |
| 2006 | 76930 |
| 2007 | 91658 |
| 2008 | 109901 |
| 2009 | 129500 |
| 2010 | 139100 |
| 2011 | 139100 |
| 2012 | 216400 |
| 2013 | 252376 |
| 2014 | 301708 |
| 2015 | 426068 |
| 2016 | 457210 |
| 2017 | 511842 |