| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 92.9932 |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | 102.853 |
| 2016 | - |
| 2015 | 96.9943 |
| 2014 | 97.5 |
| 2013 | 99.4842 |
| 2012 | 100.562 |
| 2011 | 104.396 |
| 2010 | 105.199 |
| 2009 | 103.261 |
| 2008 | 103.367 |
| 2007 | 103.867 |
| 2006 | 105.189 |
| 2005 | 105.035 |
| 2004 | 104.511 |
| 2003 | 104.889 |
| 2002 | 104.518 |
| 2001 | 104.685 |
| 2000 | 103.617 |
| 1999 | 103.573 |
| 1998 | 103.4 |
| 1997 | 104.701 |
| 1996 | 104.218 |
| 1995 | 103.6 |
| 1994 | 104.807 |
| 1993 | 105.532 |
| 1992 | 107.233 |
| 1991 | 109.783 |
| 1990 | 107.888 |
| 1989 | 108.544 |
| 1988 | 107.833 |
| 1987 | 107.599 |
| 1986 | 107.328 |
| 1985 | 107.973 |
| 1984 | 106.862 |
| 1983 | 106.546 |
| 1982 | 104.741 |
| 1981 | 104.632 |
| 1980 | 102.99 |
| 1979 | 98.1622 |
| 1978 | 94.5039 |
| 1977 | 92.1813 |
| 1976 | 87.5104 |
| 1975 | 84.1523 |
| 1974 | 77.6308 |
| 1973 | 74.181 |
| 1972 | 67.7787 |
| 1971 | 66.6683 |
| 1970 | 71.503 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |