| 年度 | 实际值 |
|---|---|
| 1992 | 11578 |
| 1993 | 10412 |
| 1994 | 1782 |
| 1995 | 2159 |
| 1996 | 4982 |
| 1997 | 5470 |
| 1998 | 5426 |
| 1999 | 6533 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 36252 |
| 2004 | 49340 |
| 2005 | 60672 |
| 2006 | 74853 |
| 2007 | 110588 |
| 2008 | 122169 |
| 2009 | |
| 2010 | 186241 |
| 2011 | 248435 |
| 2012 | 339558 |
| 2013 | 288148 |
| 2014 | 266837 |
| 2015 | 297144 |
| 2016 | 306482 |
| 2017 | 308854 |
| 2018 | 271725 |