| 年度 | 实际值 |
|---|---|
| 1992 | 53131 |
| 1993 | 63448 |
| 1994 | 25321 |
| 1995 | 30369 |
| 1996 | 41092 |
| 1997 | 45799 |
| 1998 | 37586 |
| 1999 | 60891 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 238165 |
| 2004 | 259860 |
| 2005 | 303752 |
| 2006 | 412002 |
| 2007 | 606372 |
| 2008 | 852864 |
| 2009 | |
| 2010 | 1514014 |
| 2011 | 1901867 |
| 2012 | 2349356 |
| 2013 | 2651922 |
| 2014 | 2722712 |
| 2015 | 3001911 |
| 2016 | 3389164 |
| 2017 | 3465492 |
| 2018 | 3465492 |