| 年度 | 实际值 |
|---|---|
| 1999 | 2894976 |
| 2000 | 3238846 |
| 2001 | 3730800 |
| 2002 | 4025683 |
| 2003 | 5560192 |
| 2004 | 8347070 |
| 2005 | 10350753 |
| 2006 | 13610250 |
| 2007 | 17089973 |
| 2008 | 20510878 |
| 2009 | 23980866 |
| 2010 | 29548158 |
| 2011 | 32233002 |
| 2012 | 35590244 |
| 2013 | 39505493 |
| 2014 | 42272367 |
| 2015 | 42731977 |
| 2016 | 46765145 |