| 年度 | 实际值 |
|---|---|
| 1992 | 139 |
| 1993 | |
| 1994 | |
| 1995 | 142.2 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 143.5 |
| 2000 | 143.7 |
| 2001 | 144 |
| 2002 | 143.2 |
| 2003 | 143 |
| 2004 | 143 |
| 2005 | 142 |
| 2006 | 142 |
| 2007 | 143 |
| 2008 | 145.1 |
| 2009 | 145.7 |
| 2010 | 146.8 |
| 2011 | 147.6 |
| 2012 | 148.1 |
| 2013 | 148.6 |
| 2014 | 148.7 |
| 2015 | 148.7 |
| 2016 | 149.9 |
| 2017 | 206.5 |
| 2018 | 214.8434 |