| 年度 | 实际值 |
|---|---|
| 1992 | 4861 |
| 1993 | |
| 1994 | |
| 1995 | 3788 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 14998 |
| 2000 | 17400 |
| 2001 | 24300 |
| 2002 | 29200 |
| 2003 | 32800 |
| 2004 | 37800 |
| 2005 | 42400 |
| 2006 | 63300 |
| 2007 | 81800 |
| 2008 | 124900 |
| 2009 | 123900 |
| 2010 | 175900 |
| 2011 | 245600 |
| 2012 | 251000 |
| 2013 | 314600 |
| 2014 | 298700 |
| 2015 | 355700 |
| 2016 | 381500 |