| 年度 | 实际值 |
|---|---|
| 1992 | 58.45 |
| 1993 | 59.71 |
| 1994 | 60.2 |
| 1995 | 60.9 |
| 1996 | 62.21 |
| 1997 | 63.23 |
| 1998 | 63.96 |
| 1999 | 64.62 |
| 2000 | 65.1 |
| 2001 | 79.54 |
| 2002 | 81.23 |
| 2003 | 83.01 |
| 2004 | 84.38 |
| 2005 | 85.36 |
| 2006 | 86.64 |
| 2007 | 87.25 |
| 2008 | 87.52 |
| 2009 | |
| 2010 | 211.54 |
| 2011 | 211.8 |
| 2012 | 211.9 |
| 2013 | 212.3 |
| 2014 | 212.8 |
| 2015 | 213.07 |
| 2016 | 214 |
| 2017 | 214 |
| 2018 | 215 |