| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 61.141 |
| 2020 | 65.647 |
| 2019 | 65.464 |
| 2018 | 65.422 |
| 2017 | 66.753 |
| 2016 | 65.464 |
| 2015 | 63.818 |
| 2014 | 62.608 |
| 2013 | 61.996 |
| 2012 | 60.8 |
| 2011 | 60.53 |
| 2010 | 60.013 |
| 2009 | 58.279 |
| 2008 | 57.121 |
| 2007 | 55.732 |
| 2006 | 53.918 |
| 2005 | 52.61 |
| 2004 | 51.617 |
| 2003 | 50.947 |
| 2002 | 50.632 |
| 2001 | 50.676 |
| 2000 | 51.011 |
| 1999 | 51.694 |
| 1998 | 52.523 |
| 1997 | 53.448 |
| 1996 | 54.357 |
| 1995 | 55.059 |
| 1994 | 56.154 |
| 1993 | 57.719 |
| 1992 | 58.348 |
| 1991 | 59.473 |
| 1990 | 60.533 |
| 1989 | 61.427 |
| 1988 | 61.755 |
| 1987 | 62.522 |
| 1986 | 62.678 |
| 1985 | 62.626 |
| 1984 | 62.364 |
| 1983 | 62.004 |
| 1982 | 61.57 |
| 1981 | 61.125 |
| 1980 | 60.646 |
| 1979 | 60.176 |
| 1978 | 59.691 |
| 1977 | 59.169 |
| 1976 | 58.583 |
| 1975 | 57.998 |
| 1974 | 57.424 |
| 1973 | 56.861 |
| 1972 | 56.3 |
| 1971 | 55.745 |
| 1970 | 55.197 |
| 1969 | 54.684 |
| 1968 | 54.188 |
| 1967 | 53.721 |
| 1966 | 53.264 |
| 1965 | 52.809 |
| 1964 | 52.349 |
| 1963 | 51.881 |
| 1962 | 51.389 |
| 1961 | 50.891 |
| 1960 | 50.372 |