Botswana [Botswana]
- min:
- 3.956
- max:
- 4.611
- avg:
- 4.367
- σ:
- 0.224
| Period | Value |
|---|
| 1974 | 3.9708473682403564 |
| 1975 | 3.9556095600128174 |
| 1976 | 3.9716813564300537 |
| 1977 | 3.986220121383667 |
| 1978 | 4.024446487426758 |
| 1979 | 4.032529830932617 |
| 1980 | 4.02935266494751 |
| 1981 | 3.9975411891937256 |
| 1982 | 4.019567966461182 |
| 1983 | 4.070305824279785 |
| 1984 | 4.126716136932373 |
| 1985 | 4.21040153503418 |
| 1986 | 4.251570701599121 |
| 1987 | 4.304612159729004 |
| 1988 | 4.340381145477295 |
| 1989 | 4.405208110809326 |
| 1990 | 4.410975933074951 |
| 1991 | 4.448601245880127 |
| 1992 | 4.452621936798096 |
| 1993 | 4.486886501312256 |
| 1994 | 4.490174770355225 |
| 1995 | 4.50444221496582 |
| 1996 | 4.54522180557251 |
| 1997 | 4.550849914550781 |
| 1998 | 4.577236652374268 |
| 1999 | 4.564636707305908 |
| 2000 | 4.550312519073486 |
| 2001 | 4.601292133331299 |
| 2002 | 4.597544193267822 |
| 2003 | 4.540160655975342 |
| 2004 | 4.536656856536865 |
| 2005 | 4.57869291305542 |
| 2006 | 4.610546112060547 |
| 2007 | 4.60352087020874 |
| 2008 | 4.586869239807129 |
| 2009 | 4.5122175216674805 |
| 2010 | 4.485386848449707 |
| 2011 | 4.47800350189209 |
| 2012 | 4.450168609619141 |
| 2013 | 4.448118209838867 |
| 2014 | 4.486021518707275 |
| 2015 | 4.496971607208252 |
| 2016 | 4.503011703491211 |