| 年度 | 实际值 |
|---|---|
| 1992 | 149.3 |
| 1993 | |
| 1994 | |
| 1995 | 149 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 150.9 |
| 2000 | 151.18 |
| 2001 | 151.15 |
| 2002 | 150.99 |
| 2003 | 150.45 |
| 2004 | 149.94 |
| 2005 | 150.55 |
| 2006 | 151.79 |
| 2007 | 153.29 |
| 2008 | 153.89 |
| 2009 | 154.27 |
| 2010 | 155.26 |
| 2011 | 155.92 |
| 2012 | 156.03 |
| 2013 | 155.74 |
| 2014 | 155.43 |
| 2015 | 154.43 |
| 2016 | 155 |
| 2017 | 154 |