| 年度 | 实际值 |
|---|---|
| 1992 | 149.61 |
| 1993 | 152.27 |
| 1994 | 154.27 |
| 1995 | 155.91 |
| 1996 | 157.86 |
| 1997 | 161.94 |
| 1998 | 163.32 |
| 1999 | 164.82 |
| 2000 | 170 |
| 2001 | 166.1 |
| 2002 | 167.58 |
| 2003 | 172.44 |
| 2004 | 175.79 |
| 2005 | 175.02 |
| 2006 | 177.61 |
| 2007 | 182.27 |
| 2008 | 184.24 |
| 2009 | |
| 2010 | 185.84 |
| 2011 | 191.1 |
| 2012 | 191.4 |
| 2013 | 195.3 |
| 2014 | 197.4 |
| 2015 | 198.45 |
| 2016 | 201 |
| 2017 | 201 |
| 2018 | 204 |