| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | 11.5119 |
| 2013 | 12.9268 |
| 2012 | 12.6511 |
| 2011 | - |
| 2010 | - |
| 2009 | 17.7928 |
| 2008 | 18.034 |
| 2007 | 18.0848 |
| 2006 | 18.3675 |
| 2005 | 18.851 |
| 2004 | 19.4809 |
| 2003 | 19.5241 |
| 2002 | 19.8118 |
| 2001 | 19.9041 |
| 2000 | 20.3487 |
| 1999 | 21.1168 |
| 1998 | 21.691 |
| 1997 | - |
| 1996 | 23.2789 |
| 1995 | 23.2039 |
| 1994 | 12.5292 |
| 1993 | 12.6138 |
| 1992 | 13.1033 |
| 1991 | 13.9502 |
| 1990 | 13.6911 |
| 1989 | 14.0408 |
| 1988 | 13.2612 |
| 1987 | 12.9226 |
| 1986 | 12.1785 |
| 1985 | 11.7993 |
| 1984 | 11.5088 |
| 1983 | 10.1537 |
| 1982 | - |
| 1981 | 8.11797 |
| 1980 | 16.7113 |
| 1979 | 17.2896 |
| 1978 | 16.1425 |
| 1977 | 15.231 |
| 1976 | 15.9425 |
| 1975 | 18.3803 |
| 1974 | 21.1595 |
| 1973 | 23.7056 |
| 1972 | 16.2062 |
| 1971 | 18.8382 |
| 1970 | 20.1008 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |