| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | 85.4671 |
| 2021 | 88.8209 |
| 2020 | 77.6632 |
| 2019 | 83.093 |
| 2018 | 87.4551 |
| 2017 | 81.924 |
| 2016 | 100.465 |
| 2015 | 112.901 |
| 2014 | 119.498 |
| 2013 | 125.783 |
| 2012 | 111.875 |
| 2011 | 98.9615 |
| 2010 | 94.639 |
| 2009 | 88.4808 |
| 2008 | 99.0082 |
| 2007 | 98.4965 |
| 2006 | 86.6124 |
| 2005 | 88.5054 |
| 2004 | 90.9978 |
| 2003 | 85.834 |
| 2002 | 91.8358 |
| 2001 | 87.5251 |
| 2000 | 91.9247 |
| 1999 | 98.9291 |
| 1998 | 101.841 |
| 1997 | 108.604 |
| 1996 | 90.9556 |
| 1995 | 94.5952 |
| 1994 | 88.1806 |
| 1993 | 86.2082 |
| 1992 | 89.7513 |
| 1991 | 99.5584 |
| 1990 | 104.847 |
| 1989 | 105.361 |
| 1988 | 114.452 |
| 1987 | 123.572 |
| 1986 | 117.46 |
| 1985 | 117.523 |
| 1984 | 118.773 |
| 1983 | 124.649 |
| 1982 | 123.836 |
| 1981 | 121.235 |
| 1980 | 119.502 |
| 1979 | 119.373 |
| 1978 | 120.585 |
| 1977 | 120.21 |
| 1976 | 116.708 |
| 1975 | 107.386 |
| 1974 | 105.698 |
| 1973 | 100.797 |
| 1972 | 97.915 |
| 1971 | 94.7137 |
| 1970 | 85.5693 |
| 1969 | 75.3375 |
| 1968 | 86 |
| 1967 | 75.3873 |
| 1966 | 80.2168 |
| 1965 | 82.3171 |
| 1964 | 77.3877 |
| 1963 | 76.3398 |
| 1962 | 72.765 |
| 1961 | 69.7418 |
| 1960 | 65.9196 |