Chad [Chad]
- min:
- 4.482
- max:
- 4.869
- avg:
- 4.7
- σ:
- 0.082
| Period | Value |
|---|
| 1973 | 4.86877965927124 |
| 1974 | 4.865294456481934 |
| 1975 | 4.846403121948242 |
| 1976 | 4.818203926086426 |
| 1977 | 4.792121887207031 |
| 1978 | 4.7809977531433105 |
| 1979 | 4.6779866218566895 |
| 1980 | 4.652844429016113 |
| 1981 | 4.6555376052856445 |
| 1982 | 4.672997951507568 |
| 1983 | 4.709280967712402 |
| 1984 | 4.7366533279418945 |
| 1985 | 4.7516374588012695 |
| 1986 | 4.761988162994385 |
| 1987 | 4.770078659057617 |
| 1988 | 4.774815559387207 |
| 1989 | 4.7853498458862305 |
| 1990 | 4.774913311004639 |
| 1991 | 4.773459434509277 |
| 1992 | 4.754701614379883 |
| 1993 | 4.729761123657227 |
| 1994 | 4.7073869705200195 |
| 1995 | 4.729267120361328 |
| 1996 | 4.706590175628662 |
| 1997 | 4.695735454559326 |
| 1998 | 4.688077449798584 |
| 1999 | 4.635898113250732 |
| 2000 | 4.590982437133789 |
| 2001 | 4.583070278167725 |
| 2002 | 4.48167085647583 |
| 2003 | 4.518250942230225 |
| 2004 | 4.621289253234863 |
| 2005 | 4.661068439483643 |
| 2006 | 4.667471885681152 |
| 2007 | 4.689948081970215 |
| 2008 | 4.696781158447266 |
| 2009 | 4.613948345184326 |
| 2010 | 4.6654953956604 |
| 2011 | 4.667112350463867 |
| 2012 | 4.673097133636475 |
| 2013 | 4.670490264892578 |
| 2014 | 4.664355754852295 |
| 2015 | 4.635248184204102 |
| 2016 | 4.60250186920166 |