| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 59.2666 |
| 2020 | 66.1946 |
| 2019 | 51.2911 |
| 2018 | 58.2306 |
| 2017 | 33.1837 |
| 2016 | 46.9216 |
| 2015 | 66.0329 |
| 2014 | 57.8433 |
| 2013 | 80.5179 |
| 2012 | 54.8351 |
| 2011 | 29.679 |
| 2010 | 83.1274 |
| 2009 | 48.6044 |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | - |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | 23 |
| 2000 | 13.1429 |
| 1999 | 19.1667 |
| 1998 | 18.4696 |
| 1997 | 12.6667 |
| 1996 | 9.68406 |
| 1995 | 6.62029 |
| 1994 | 2.53165 |
| 1993 | 2.85714 |
| 1992 | 3.6 |
| 1991 | 3 |
| 1990 | 2.14286 |
| 1989 | 2.17391 |
| 1988 | 2.20049 |
| 1987 | 2.20049 |
| 1986 | 1.66585 |
| 1985 | 1.10811 |
| 1984 | 2.96296 |
| 1983 | 3.20988 |
| 1982 | 4.44444 |
| 1981 | 3.47395 |
| 1980 | 3.47395 |
| 1979 | 2.72953 |
| 1978 | 5.23691 |
| 1977 | 5.23691 |
| 1976 | 4.98753 |
| 1975 | 5.98504 |
| 1974 | 4.89027 |
| 1973 | 4.73815 |
| 1972 | 4.36409 |
| 1971 | 4.125 |
| 1970 | 4.25 |
| 1969 | 3.75 |
| 1968 | 3.75 |
| 1967 | 6.75 |
| 1966 | 5.3 |
| 1965 | 5.25 |
| 1964 | 4.01003 |
| 1963 | 2.75689 |
| 1962 | 2.75689 |
| 1961 | 2.78196 |
| 1960 | - |