Botswana [Botswana]
- min:
- 3.895
- max:
- 4.612
- avg:
- 4.345
- σ:
- 0.247
| Period | Value |
|---|
| 1974 | 3.910780668258667 |
| 1975 | 3.895062208175659 |
| 1976 | 3.9120163917541504 |
| 1977 | 3.9269447326660156 |
| 1978 | 3.9662342071533203 |
| 1979 | 3.9745116233825684 |
| 1980 | 3.972750663757324 |
| 1981 | 3.939342498779297 |
| 1982 | 3.962047815322876 |
| 1983 | 4.016341209411621 |
| 1984 | 4.076550483703613 |
| 1985 | 4.165316104888916 |
| 1986 | 4.209350109100342 |
| 1987 | 4.266103744506836 |
| 1988 | 4.303498268127441 |
| 1989 | 4.3722686767578125 |
| 1990 | 4.4001641273498535 |
| 1991 | 4.439880847930908 |
| 1992 | 4.444221019744873 |
| 1993 | 4.480587005615234 |
| 1994 | 4.4835028648376465 |
| 1995 | 4.498556613922119 |
| 1996 | 4.541817665100098 |
| 1997 | 4.5476250648498535 |
| 1998 | 4.575258731842041 |
| 1999 | 4.561850547790527 |
| 2000 | 4.547636985778809 |
| 2001 | 4.601070880889893 |
| 2002 | 4.596927642822266 |
| 2003 | 4.53635835647583 |
| 2004 | 4.533167362213135 |
| 2005 | 4.578607082366943 |
| 2006 | 4.61212682723999 |
| 2007 | 4.604968547821045 |
| 2008 | 4.587927341461182 |
| 2009 | 4.506678104400635 |
| 2010 | 4.478425025939941 |
| 2011 | 4.47128438949585 |
| 2012 | 4.441067218780518 |
| 2013 | 4.438269138336182 |
| 2014 | 4.478402614593506 |
| 2015 | 4.487850189208984 |
| 2016 | 4.494158744812012 |