| 年度 | 实际值 |
|---|---|
| 1992 | 114.72 |
| 1993 | 116.64 |
| 1994 | 118.97 |
| 1995 | 121.42 |
| 1996 | 124.47 |
| 1997 | 126.96 |
| 1998 | 128.7 |
| 1999 | 130.14 |
| 2000 | 133.1 |
| 2001 | 134.89 |
| 2002 | 137.1 |
| 2003 | 138.21 |
| 2004 | 139.12 |
| 2005 | 140.85 |
| 2006 | 144.19 |
| 2007 | 145.64 |
| 2008 | 146.67 |
| 2009 | |
| 2010 | 147.4 |
| 2011 | 148.8 |
| 2012 | 148.1 |
| 2013 | 139.4 |
| 2014 | 174.1 |
| 2015 | 175.71 |
| 2016 | 381 |
| 2017 | 379 |
| 2018 | 365 |