Botswana [Botswana]
- min:
- 4.048
- max:
- 4.561
- avg:
- 4.408
- σ:
- 0.151
| Period | Value |
|---|
| 1980 | 4.069335460662842 |
| 1981 | 4.047873497009277 |
| 1982 | 4.06533670425415 |
| 1983 | 4.107930660247803 |
| 1984 | 4.15618371963501 |
| 1985 | 4.222586631774902 |
| 1986 | 4.255694389343262 |
| 1987 | 4.297643184661865 |
| 1988 | 4.325638294219971 |
| 1989 | 4.380064487457275 |
| 1990 | 4.400696754455566 |
| 1991 | 4.430466651916504 |
| 1992 | 4.433884620666504 |
| 1993 | 4.460155487060547 |
| 1994 | 4.461787700653076 |
| 1995 | 4.472962856292725 |
| 1996 | 4.505651473999023 |
| 1997 | 4.510458946228027 |
| 1998 | 4.530898094177246 |
| 1999 | 4.522368431091309 |
| 2000 | 4.51271390914917 |
| 2001 | 4.550185680389404 |
| 2002 | 4.5506134033203125 |
| 2003 | 4.5061140060424805 |
| 2004 | 4.50368070602417 |
| 2005 | 4.537898063659668 |
| 2006 | 4.560956001281738 |
| 2007 | 4.555179119110107 |
| 2008 | 4.5419087409973145 |
| 2009 | 4.480880260467529 |
| 2010 | 4.461306095123291 |
| 2011 | 4.457776069641113 |
| 2012 | 4.43497896194458 |
| 2013 | 4.431783676147461 |
| 2014 | 4.463623523712158 |
| 2015 | 4.469522953033447 |