| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 93.723 |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | 103.871 |
| 2016 | - |
| 2015 | 97.9928 |
| 2014 | 98.784 |
| 2013 | 100.565 |
| 2012 | 101.334 |
| 2011 | 105.673 |
| 2010 | 106.812 |
| 2009 | 104.585 |
| 2008 | 104.3 |
| 2007 | 104.854 |
| 2006 | 105.867 |
| 2005 | 105.353 |
| 2004 | 104.962 |
| 2003 | 105.013 |
| 2002 | 104.763 |
| 2001 | 104.544 |
| 2000 | 103.396 |
| 1999 | 103.297 |
| 1998 | 103.432 |
| 1997 | 104.329 |
| 1996 | 103.947 |
| 1995 | 103.299 |
| 1994 | 104.696 |
| 1993 | 105.33 |
| 1992 | 106.492 |
| 1991 | 108.422 |
| 1990 | 106.052 |
| 1989 | 106.813 |
| 1988 | 105.61 |
| 1987 | 105.137 |
| 1986 | 104.458 |
| 1985 | 103.766 |
| 1984 | 101.855 |
| 1983 | 100.586 |
| 1982 | 98.8094 |
| 1981 | 97.745 |
| 1980 | 94.9078 |
| 1979 | 89.7582 |
| 1978 | 86.225 |
| 1977 | 84.1769 |
| 1976 | 79.8434 |
| 1975 | 76.8493 |
| 1974 | 71.3158 |
| 1973 | 68.4142 |
| 1972 | 63.3211 |
| 1971 | 62.949 |
| 1970 | 67.9403 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |