Chad [Chad]
- min:
- 4.489
- max:
- 4.864
- avg:
- 4.7
- σ:
- 0.08
| Period | Value |
|---|
| 1973 | 4.863613605499268 |
| 1974 | 4.860428810119629 |
| 1975 | 4.8425211906433105 |
| 1976 | 4.814996242523193 |
| 1977 | 4.7896833419799805 |
| 1978 | 4.779031753540039 |
| 1979 | 4.678017616271973 |
| 1980 | 4.653519630432129 |
| 1981 | 4.655468940734863 |
| 1982 | 4.672369003295898 |
| 1983 | 4.708142280578613 |
| 1984 | 4.734622478485107 |
| 1985 | 4.749214172363281 |
| 1986 | 4.759640216827393 |
| 1987 | 4.767394542694092 |
| 1988 | 4.772159099578857 |
| 1989 | 4.7822489738464355 |
| 1990 | 4.7718186378479 |
| 1991 | 4.770721435546875 |
| 1992 | 4.752585411071777 |
| 1993 | 4.728743553161621 |
| 1994 | 4.707408905029297 |
| 1995 | 4.72836971282959 |
| 1996 | 4.706202507019043 |
| 1997 | 4.695955753326416 |
| 1998 | 4.688357353210449 |
| 1999 | 4.638145923614502 |
| 2000 | 4.59446907043457 |
| 2001 | 4.587130069732666 |
| 2002 | 4.488753795623779 |
| 2003 | 4.5242414474487305 |
| 2004 | 4.624027252197266 |
| 2005 | 4.662558555603027 |
| 2006 | 4.66812801361084 |
| 2007 | 4.689368724822998 |
| 2008 | 4.695852756500244 |
| 2009 | 4.616219997406006 |
| 2010 | 4.666222095489502 |
| 2011 | 4.667288780212402 |
| 2012 | 4.673272132873535 |
| 2013 | 4.671062469482422 |
| 2014 | 4.665288925170898 |
| 2015 | 4.637396812438965 |
| 2016 | 4.605930805206299 |