| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | 15.0903 |
| 2013 | 16.4118 |
| 2012 | 16.0591 |
| 2011 | - |
| 2010 | - |
| 2009 | 21.7075 |
| 2008 | 22.0097 |
| 2007 | 21.9132 |
| 2006 | 21.8035 |
| 2005 | 22.0469 |
| 2004 | 20.7107 |
| 2003 | 23.0199 |
| 2002 | 23.1683 |
| 2001 | 23.1643 |
| 2000 | 23.6451 |
| 1999 | 24.2216 |
| 1998 | 24.9585 |
| 1997 | - |
| 1996 | 25.9928 |
| 1995 | 25.6879 |
| 1994 | 14.9835 |
| 1993 | 14.7886 |
| 1992 | 14.753 |
| 1991 | 15.5824 |
| 1990 | 14.8772 |
| 1989 | 15.1166 |
| 1988 | 14.6572 |
| 1987 | 14.1793 |
| 1986 | 13.5013 |
| 1985 | 13.0226 |
| 1984 | 12.6064 |
| 1983 | 10.72 |
| 1982 | - |
| 1981 | 8.26358 |
| 1980 | 15.7883 |
| 1979 | 15.6807 |
| 1978 | 14.4316 |
| 1977 | 14.0959 |
| 1976 | 15.0968 |
| 1975 | 17.8053 |
| 1974 | 21.3873 |
| 1973 | 25.0584 |
| 1972 | 19.0709 |
| 1971 | 22.2912 |
| 1970 | 23.6335 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |