| 年度 | 实际值 |
|---|---|
| 1995 | 18403 |
| 1996 | 9204 |
| 1997 | 8883 |
| 1998 | 11343 |
| 1999 | 18801 |
| 2000 | 41969 |
| 2001 | 59996 |
| 2002 | 57489 |
| 2003 | 41061 |
| 2004 | 40571 |
| 2005 | 45519 |
| 2006 | 46290 |
| 2007 | 75724 |
| 2008 | 95649 |
| 2009 | |
| 2010 | 155056 |
| 2011 | 199527 |
| 2012 | 319839 |
| 2013 | 439923 |
| 2014 | 387426 |
| 2015 | 472833 |
| 2016 | 372482 |
| 2017 | 237872 |