Botswana [Botswana]
- min:
- 4.117
- max:
- 4.563
- avg:
- 4.428
- σ:
- 0.13
| Period | Value |
|---|
| 1980 | 4.142849922180176 |
| 1981 | 4.117021560668945 |
| 1982 | 4.132894515991211 |
| 1983 | 4.168942928314209 |
| 1984 | 4.208323955535889 |
| 1985 | 4.269973278045654 |
| 1986 | 4.300202369689941 |
| 1987 | 4.339643478393555 |
| 1988 | 4.365955829620361 |
| 1989 | 4.411679744720459 |
| 1990 | 4.417007923126221 |
| 1991 | 4.444676876068115 |
| 1992 | 4.447525501251221 |
| 1993 | 4.473404884338379 |
| 1994 | 4.47617769241333 |
| 1995 | 4.486743450164795 |
| 1996 | 4.516562461853027 |
| 1997 | 4.520385265350342 |
| 1998 | 4.539968013763428 |
| 1999 | 4.529660701751709 |
| 2000 | 4.518482685089111 |
| 2001 | 4.557716369628906 |
| 2002 | 4.552542686462402 |
| 2003 | 4.509728908538818 |
| 2004 | 4.5072021484375 |
| 2005 | 4.538051128387451 |
| 2006 | 4.562880992889404 |
| 2007 | 4.5580058097839355 |
| 2008 | 4.546121597290039 |
| 2009 | 4.491209506988525 |
| 2010 | 4.470388412475586 |
| 2011 | 4.463742733001709 |
| 2012 | 4.443339824676514 |
| 2013 | 4.442554473876953 |
| 2014 | 4.469234943389893 |
| 2015 | 4.478006362915039 |