| 年度 | 实际值 |
|---|---|
| 1992 | 215.61 |
| 1993 | 217.52 |
| 1994 | 217.78 |
| 1995 | 219.62 |
| 1996 | 220.71 |
| 1997 | 221.77 |
| 1998 | 222.91 |
| 1999 | 224.25 |
| 2000 | 226.22 |
| 2001 | 227.37 |
| 2002 | 228.45 |
| 2003 | 229.2 |
| 2004 | 229.93 |
| 2005 | 230.53 |
| 2006 | 231.08 |
| 2007 | 232.49 |
| 2008 | 233.8 |
| 2009 | |
| 2010 | 235.53 |
| 2011 | 235.5 |
| 2012 | 235.1 |
| 2013 | 232.5 |
| 2014 | |
| 2015 | 232.62 |
| 2016 | 233 |
| 2017 | 232 |
| 2018 | 231 |