| 年度 | 实际值 |
|---|---|
| 1999 | 4872 |
| 2000 | 5004 |
| 2001 | 5478 |
| 2002 | 5603 |
| 2003 | 5799 |
| 2004 | 6742 |
| 2005 | 7259 |
| 2006 | 10221.982389209 |
| 2007 | 11424.5748128093 |
| 2008 | 13069.9814196119 |
| 2009 | 15793.2904498341 |
| 2010 | 20173.1504500014 |
| 2011 | 26937 |
| 2012 | 28665.8829479071 |
| 2013 | 31666 |
| 2014 | 31980 |
| 2015 | 33301.668432869 |
| 2016 | 36868.9067173036 |