| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 45.0543 |
| 2020 | 56.7443 |
| 2019 | 56.5856 |
| 2018 | 57.8966 |
| 2017 | 59.8498 |
| 2016 | 56.8957 |
| 2015 | 52.9538 |
| 2014 | 49.1745 |
| 2013 | 47.8633 |
| 2012 | 46.37 |
| 2011 | 45.559 |
| 2010 | 45.2371 |
| 2009 | 41.4016 |
| 2008 | 39.8054 |
| 2007 | 36.6976 |
| 2006 | 33.174 |
| 2005 | 29.4233 |
| 2004 | 28.1961 |
| 2003 | 27.0217 |
| 2002 | 26.5106 |
| 2001 | 27.0313 |
| 2000 | 27.6655 |
| 1999 | 28.6021 |
| 1998 | 29.7918 |
| 1997 | 31.2037 |
| 1996 | 31.9538 |
| 1995 | 32.2506 |
| 1994 | 33.8137 |
| 1993 | 37.7026 |
| 1992 | 37.9755 |
| 1991 | 40.0466 |
| 1990 | 42.4607 |
| 1989 | 44.8473 |
| 1988 | 46.441 |
| 1987 | 48.6508 |
| 1986 | 49.7757 |
| 1985 | 50.5466 |
| 1984 | 50.2267 |
| 1983 | 50.1673 |
| 1982 | 49.7138 |
| 1981 | 49.1889 |
| 1980 | 48.6088 |
| 1979 | 48.0061 |
| 1978 | 47.4039 |
| 1977 | 46.8688 |
| 1976 | 46.1017 |
| 1975 | 45.3342 |
| 1974 | 44.6541 |
| 1973 | 43.9163 |
| 1972 | 43.1871 |
| 1971 | 42.5 |
| 1970 | 41.8044 |
| 1969 | 41.278 |
| 1968 | 40.8032 |
| 1967 | 40.322 |
| 1966 | 39.8683 |
| 1965 | 39.4381 |
| 1964 | 38.9696 |
| 1963 | 38.4781 |
| 1962 | 37.8699 |
| 1961 | 37.3209 |
| 1960 | 36.7557 |