| 年度 | 实际值 |
|---|---|
| 1992 | 140.2 |
| 1993 | |
| 1994 | |
| 1995 | 142.1 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 128.5 |
| 2000 | 128.3 |
| 2001 | 129 |
| 2002 | 128.8 |
| 2003 | 129 |
| 2004 | 128 |
| 2005 | 128 |
| 2006 | 128 |
| 2007 | 126.73 |
| 2008 | 119.7 |
| 2009 | 119.72 |
| 2010 | 119.62 |
| 2011 | 120.21 |
| 2012 | 119.8282 |
| 2013 | 119.95 |
| 2014 | 119.88 |
| 2015 | 119.53 |
| 2016 | 119.3 |
| 2017 | 118.6 |
| 2018 | 117.88 |