| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 63.594 |
| 2020 | 68.051 |
| 2019 | 67.891 |
| 2018 | 67.371 |
| 2017 | 69.428 |
| 2016 | 68.059 |
| 2015 | 66.284 |
| 2014 | 65.391 |
| 2013 | 64.637 |
| 2012 | 62.928 |
| 2011 | 62.816 |
| 2010 | 61.829 |
| 2009 | 60.03 |
| 2008 | 58.443 |
| 2007 | 56.99 |
| 2006 | 55.147 |
| 2005 | 54.383 |
| 2004 | 53.276 |
| 2003 | 52.648 |
| 2002 | 52.388 |
| 2001 | 52.448 |
| 2000 | 52.84 |
| 1999 | 53.651 |
| 1998 | 54.662 |
| 1997 | 55.807 |
| 1996 | 57.032 |
| 1995 | 58.225 |
| 1994 | 59.507 |
| 1993 | 60.67 |
| 1992 | 61.862 |
| 1991 | 63.018 |
| 1990 | 64.037 |
| 1989 | 64.846 |
| 1988 | 65.035 |
| 1987 | 65.727 |
| 1986 | 65.785 |
| 1985 | 65.629 |
| 1984 | 65.337 |
| 1983 | 64.838 |
| 1982 | 64.366 |
| 1981 | 63.883 |
| 1980 | 63.357 |
| 1979 | 62.865 |
| 1978 | 62.355 |
| 1977 | 61.768 |
| 1976 | 61.124 |
| 1975 | 60.509 |
| 1974 | 59.89 |
| 1973 | 59.298 |
| 1972 | 58.724 |
| 1971 | 58.183 |
| 1970 | 57.667 |
| 1969 | 57.158 |
| 1968 | 56.673 |
| 1967 | 56.216 |
| 1966 | 55.76 |
| 1965 | 55.284 |
| 1964 | 54.804 |
| 1963 | 54.322 |
| 1962 | 53.828 |
| 1961 | 53.318 |
| 1960 | 52.78 |