Botswana [Botswana]
- min:
- 4.116
- max:
- 4.648
- avg:
- 4.446
- σ:
- 0.181
| Period | Value |
|---|
| 1974 | 4.1312713623046875 |
| 1975 | 4.115756988525391 |
| 1976 | 4.129399299621582 |
| 1977 | 4.13891077041626 |
| 1978 | 4.171107292175293 |
| 1979 | 4.177591800689697 |
| 1980 | 4.172582626342773 |
| 1981 | 4.14246129989624 |
| 1982 | 4.15939998626709 |
| 1983 | 4.198741912841797 |
| 1984 | 4.240233898162842 |
| 1985 | 4.3095173835754395 |
| 1986 | 4.357882022857666 |
| 1987 | 4.4054951667785645 |
| 1988 | 4.435697078704834 |
| 1989 | 4.48592472076416 |
| 1990 | 4.487333297729492 |
| 1991 | 4.52186393737793 |
| 1992 | 4.523373126983643 |
| 1993 | 4.557821273803711 |
| 1994 | 4.5619330406188965 |
| 1995 | 4.575921535491943 |
| 1996 | 4.608801364898682 |
| 1997 | 4.611796855926514 |
| 1998 | 4.638197422027588 |
| 1999 | 4.619577884674072 |
| 2000 | 4.601410388946533 |
| 2001 | 4.647684574127197 |
| 2002 | 4.6362199783325195 |
| 2003 | 4.583552360534668 |
| 2004 | 4.574881553649902 |
| 2005 | 4.604170799255371 |
| 2006 | 4.626163005828857 |
| 2007 | 4.624289035797119 |
| 2008 | 4.614593505859375 |
| 2009 | 4.552679538726807 |
| 2010 | 4.527539253234863 |
| 2011 | 4.518134117126465 |
| 2012 | 4.49520206451416 |
| 2013 | 4.493800640106201 |
| 2014 | 4.522114276885986 |
| 2015 | 4.531879425048828 |
| 2016 | 4.536801815032959 |