| 年度 | 实际值 |
|---|---|
| 1992 | 1563 |
| 1993 | |
| 1994 | |
| 1995 | 30734 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 47244 |
| 2000 | 41394 |
| 2001 | 41422 |
| 2002 | 30245 |
| 2003 | 32373 |
| 2004 | 36119 |
| 2005 | 47316 |
| 2006 | 34852 |
| 2007 | 41130 |
| 2008 | 46382 |
| 2009 | 90213 |
| 2010 | 142365 |
| 2011 | 207693 |
| 2012 | 389640 |
| 2013 | 464246 |
| 2014 | 471146 |
| 2015 | 446404 |
| 2016 | 515323 |
| 2017 | 649704 |