| 年度 | 实际值 |
|---|---|
| 1992 | 143.68 |
| 1993 | 143.59 |
| 1994 | 144.31 |
| 1995 | 145.64 |
| 1996 | 147.05 |
| 1997 | 149.15 |
| 1998 | 150.71 |
| 1999 | 152.28 |
| 2000 | 153.76 |
| 2001 | 155.26 |
| 2002 | 157.17 |
| 2003 | 158.42 |
| 2004 | 159.95 |
| 2005 | 160.61 |
| 2006 | 160.9 |
| 2007 | 160.3 |
| 2008 | 160.06 |
| 2009 | |
| 2010 | 159.25 |
| 2011 | 159 |
| 2012 | 158.9 |
| 2013 | 159.7 |
| 2014 | 161 |
| 2015 | 162.05 |
| 2016 | 162 |
| 2017 | 171 |
| 2018 | 172 |