| 年度 | 实际值 |
|---|---|
| 1997 | 8786200 |
| 1998 | 8055600 |
| 1999 | 7840000 |
| 2000 | 7474600 |
| 2001 | 7287700 |
| 2002 | 7316600 |
| 2003 | 7615500 |
| 2004 | 8008400 |
| 2005 | 8685700 |
| 2006 | 9208900 |
| 2007 | 9684300 |
| 2008 | 9864200 |
| 2009 | |
| 2010 | 10723300 |
| 2011 | 12037100 |
| 2012 | 12205000 |
| 2013 | 17595800 |
| 2014 | 19001000 |
| 2015 | 18868600 |