Chad [Chad]
- min:
- 4.473
- max:
- 4.882
- avg:
- 4.7
- σ:
- 0.088
| Period | Value |
|---|
| 1973 | 4.882494926452637 |
| 1974 | 4.881350994110107 |
| 1975 | 4.866527557373047 |
| 1976 | 4.8333258628845215 |
| 1977 | 4.804515838623047 |
| 1978 | 4.793980598449707 |
| 1979 | 4.666800022125244 |
| 1980 | 4.639010429382324 |
| 1981 | 4.6330647468566895 |
| 1982 | 4.651638507843018 |
| 1983 | 4.699380397796631 |
| 1984 | 4.72847843170166 |
| 1985 | 4.745575904846191 |
| 1986 | 4.76319694519043 |
| 1987 | 4.7711873054504395 |
| 1988 | 4.778754711151123 |
| 1989 | 4.788604259490967 |
| 1990 | 4.7743096351623535 |
| 1991 | 4.777427673339844 |
| 1992 | 4.757840633392334 |
| 1993 | 4.735779762268066 |
| 1994 | 4.716752052307129 |
| 1995 | 4.737368106842041 |
| 1996 | 4.710728645324707 |
| 1997 | 4.702554225921631 |
| 1998 | 4.691723346710205 |
| 1999 | 4.639807224273682 |
| 2000 | 4.5889081954956055 |
| 2001 | 4.584671497344971 |
| 2002 | 4.473393440246582 |
| 2003 | 4.513443470001221 |
| 2004 | 4.623672962188721 |
| 2005 | 4.666184902191162 |
| 2006 | 4.664523124694824 |
| 2007 | 4.681403636932373 |
| 2008 | 4.687013626098633 |
| 2009 | 4.606144905090332 |
| 2010 | 4.662596225738525 |
| 2011 | 4.657415390014648 |
| 2012 | 4.666315078735352 |
| 2013 | 4.667724132537842 |
| 2014 | 4.663331985473633 |
| 2015 | 4.636162757873535 |
| 2016 | 4.604456901550293 |