| 年度 | 实际值 |
|---|---|
| 2002 | 117.7 |
| 2003 | 116.858504348776 |
| 2004 | 117.898730496687 |
| 2005 | 116.805611086063 |
| 2006 | 115.495246060816 |
| 2007 | 115.738560260529 |
| 2008 | 115.714553287132 |
| 2009 | 114.925347184491 |
| 2010 | 113.6497448504 |
| 2011 | 112.46 |
| 2012 | 111.099073319798 |
| 2013 | |
| 2014 | 106.94 |
| 2015 | 105.398681519869 |