| 年度 | 实际值 |
|---|---|
| 1997 | 1468388 |
| 1998 | 1630766 |
| 1999 | 1759661 |
| 2000 | 2073691 |
| 2001 | 2254918 |
| 2002 | 2489869 |
| 2003 | 3620657 |
| 2004 | 4806929 |
| 2005 | 5379261 |
| 2006 | 7873624 |
| 2007 | 11324898 |
| 2008 | 11169750 |
| 2009 | |
| 2010 | 18188570 |
| 2011 | 24059090 |
| 2012 | 28241249 |
| 2013 | 37029700 |
| 2014 | 45674000 |
| 2015 | 44696100 |
| 2016 | 45888300 |