South Africa [South_Africa]
- min:
- 4.837
- max:
- 5.2
- avg:
- 4.989
- σ:
- 0.119
| Period | Value |
|---|
| 1973 | 5.195146083831787 |
| 1974 | 5.200034141540527 |
| 1975 | 5.1763787269592285 |
| 1976 | 5.147871971130371 |
| 1977 | 5.114681720733643 |
| 1978 | 5.110265731811523 |
| 1979 | 5.1022047996521 |
| 1980 | 5.141302108764648 |
| 1981 | 5.158857822418213 |
| 1982 | 5.160223007202148 |
| 1983 | 5.148711681365967 |
| 1984 | 5.147572994232178 |
| 1985 | 5.11156702041626 |
| 1986 | 5.088987350463867 |
| 1987 | 5.092733860015869 |
| 1988 | 5.082347869873047 |
| 1989 | 5.059893608093262 |
| 1990 | 5.003779411315918 |
| 1991 | 4.978579044342041 |
| 1992 | 4.94936990737915 |
| 1993 | 4.939624309539795 |
| 1994 | 4.924495697021484 |
| 1995 | 4.9260969161987305 |
| 1996 | 4.920740604400635 |
| 1997 | 4.908421039581299 |
| 1998 | 4.903725624084473 |
| 1999 | 4.884688854217529 |
| 2000 | 4.875418663024902 |
| 2001 | 4.879680633544922 |
| 2002 | 4.8919878005981445 |
| 2003 | 4.8897013664245605 |
| 2004 | 4.886566162109375 |
| 2005 | 4.889925956726074 |
| 2006 | 4.901783466339111 |
| 2007 | 4.8987812995910645 |
| 2008 | 4.897055625915527 |
| 2009 | 4.887799263000488 |
| 2010 | 4.877824306488037 |
| 2011 | 4.8791704177856445 |
| 2012 | 4.871777534484863 |
| 2013 | 4.862161159515381 |
| 2014 | 4.857227802276611 |
| 2015 | 4.84853458404541 |
| 2016 | 4.83667516708374 |