| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | 13.3469 |
| 2013 | 14.7101 |
| 2012 | 14.3897 |
| 2011 | - |
| 2010 | - |
| 2009 | 19.799 |
| 2008 | 20.0637 |
| 2007 | 20.0396 |
| 2006 | 20.1161 |
| 2005 | 20.4714 |
| 2004 | 20.1048 |
| 2003 | 21.2909 |
| 2002 | 21.5086 |
| 2001 | 21.5462 |
| 2000 | 22.0076 |
| 1999 | 22.6777 |
| 1998 | 23.337 |
| 1997 | - |
| 1996 | 24.6374 |
| 1995 | 24.4436 |
| 1994 | 13.7463 |
| 1993 | 13.687 |
| 1992 | 13.91 |
| 1991 | 14.7437 |
| 1990 | 14.2652 |
| 1989 | 14.5627 |
| 1988 | 13.936 |
| 1987 | 13.5297 |
| 1986 | 12.8159 |
| 1985 | 12.3815 |
| 1984 | 12.0269 |
| 1983 | 10.4181 |
| 1982 | - |
| 1981 | 8.18497 |
| 1980 | 16.2919 |
| 1979 | 16.566 |
| 1978 | 15.3755 |
| 1977 | 14.7214 |
| 1976 | 15.5628 |
| 1975 | 18.1215 |
| 1974 | 21.2629 |
| 1973 | 24.3239 |
| 1972 | 17.5308 |
| 1971 | 20.4482 |
| 1970 | 21.7585 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |