| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 58.1948 |
| 2020 | 68.3009 |
| 2019 | 67.976 |
| 2018 | 66.8258 |
| 2017 | 72.0791 |
| 2016 | 68.87 |
| 2015 | 64.4997 |
| 2014 | 62.3449 |
| 2013 | 60.4743 |
| 2012 | 56.4014 |
| 2011 | 56.2608 |
| 2010 | 53.8651 |
| 2009 | 49.9129 |
| 2008 | 46.4383 |
| 2007 | 43.2488 |
| 2006 | 39.7342 |
| 2005 | 37.9984 |
| 2004 | 36.285 |
| 2003 | 35.2622 |
| 2002 | 34.9929 |
| 2001 | 35.3401 |
| 2000 | 36.2975 |
| 1999 | 37.9035 |
| 1998 | 39.9319 |
| 1997 | 42.1777 |
| 1996 | 44.5905 |
| 1995 | 46.9419 |
| 1994 | 49.5448 |
| 1993 | 52.0994 |
| 1992 | 54.7911 |
| 1991 | 57.4496 |
| 1990 | 59.886 |
| 1989 | 61.917 |
| 1988 | 62.8363 |
| 1987 | 64.4563 |
| 1986 | 64.8526 |
| 1985 | 64.7373 |
| 1984 | 64.2315 |
| 1983 | 63.4046 |
| 1982 | 62.7445 |
| 1981 | 62.0674 |
| 1980 | 61.3205 |
| 1979 | 60.6841 |
| 1978 | 60.0501 |
| 1977 | 59.2582 |
| 1976 | 58.3625 |
| 1975 | 57.5318 |
| 1974 | 56.6995 |
| 1973 | 55.8998 |
| 1972 | 55.1432 |
| 1971 | 54.4363 |
| 1970 | 53.7719 |
| 1969 | 53.1346 |
| 1968 | 52.5213 |
| 1967 | 51.9304 |
| 1966 | 51.3159 |
| 1965 | 50.7005 |
| 1964 | 50.0722 |
| 1963 | 49.451 |
| 1962 | 48.8051 |
| 1961 | 48.1754 |
| 1960 | 47.4936 |