| 年度 | 实际值 |
|---|---|
| 1992 | 45.03 |
| 1993 | 75.36 |
| 1994 | 47.07 |
| 1995 | 48.33 |
| 1996 | 49.81 |
| 1997 | 50.82 |
| 1998 | 51.35 |
| 1999 | 52 |
| 2000 | 53.6 |
| 2001 | 109.66 |
| 2002 | 110.76 |
| 2003 | 112.52 |
| 2004 | 113.85 |
| 2005 | 115.65 |
| 2006 | 116.82 |
| 2007 | 118.06 |
| 2008 | 121.78 |
| 2009 | |
| 2010 | 121.99 |
| 2011 | 230 |
| 2012 | 230.1 |
| 2013 | 230.9 |
| 2014 | 231.8 |
| 2015 | 231.92 |
| 2016 | 232 |
| 2017 | 233 |
| 2018 | 233 |