Chad [Chad]
- min:
- 4.601
- max:
- 4.81
- avg:
- 4.7
- σ:
- 0.049
| Period | Value |
|---|
| 1973 | 4.7986249923706055 |
| 1974 | 4.804361343383789 |
| 1975 | 4.809937477111816 |
| 1976 | 4.78548526763916 |
| 1977 | 4.768489360809326 |
| 1978 | 4.766426086425781 |
| 1979 | 4.659654140472412 |
| 1980 | 4.64321756362915 |
| 1981 | 4.6185712814331055 |
| 1982 | 4.627839088439941 |
| 1983 | 4.67416524887085 |
| 1984 | 4.688638210296631 |
| 1985 | 4.700018405914307 |
| 1986 | 4.7250776290893555 |
| 1987 | 4.727548122406006 |
| 1988 | 4.737545967102051 |
| 1989 | 4.739123821258545 |
| 1990 | 4.7241339683532715 |
| 1991 | 4.737167835235596 |
| 1992 | 4.728296279907227 |
| 1993 | 4.728287220001221 |
| 1994 | 4.730535507202148 |
| 1995 | 4.734279632568359 |
| 1996 | 4.714795112609863 |
| 1997 | 4.719014644622803 |
| 1998 | 4.707004070281982 |
| 1999 | 4.689930438995361 |
| 2000 | 4.656856536865234 |
| 2001 | 4.665027618408203 |
| 2002 | 4.601101875305176 |
| 2003 | 4.623886585235596 |
| 2004 | 4.680418968200684 |
| 2005 | 4.702115535736084 |
| 2006 | 4.680436134338379 |
| 2007 | 4.671566009521484 |
| 2008 | 4.670283317565918 |
| 2009 | 4.647758483886719 |
| 2010 | 4.679906845092773 |
| 2011 | 4.660341262817383 |
| 2012 | 4.671017169952393 |
| 2013 | 4.682010173797607 |
| 2014 | 4.685068130493164 |
| 2015 | 4.68084716796875 |
| 2016 | 4.672723770141602 |