| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | 8.58十万 |
| 2021 | 8.52十万 |
| 2020 | 8.45十万 |
| 2019 | 8.35十万 |
| 2018 | 8.24十万 |
| 2017 | 8.13十万 |
| 2016 | 8.01十万 |
| 2015 | 7.89十万 |
| 2014 | 7.77十万 |
| 2013 | 7.65十万 |
| 2012 | 7.52十万 |
| 2011 | 7.4十万 |
| 2010 | 7.29十万 |
| 2009 | 7.19十万 |
| 2008 | 7.11十万 |
| 2007 | 7.03十万 |
| 2006 | 6.95十万 |
| 2005 | 6.89十万 |
| 2004 | 6.85十万 |
| 2003 | 6.82十万 |
| 2002 | 6.8十万 |
| 2001 | 6.78十万 |
| 2000 | 6.75十万 |
| 1999 | 6.72十万 |
| 1998 | 6.69十万 |
| 1997 | 6.66十万 |
| 1996 | 6.62十万 |
| 1995 | 6.57十万 |
| 1994 | 6.5十万 |
| 1993 | 6.41十万 |
| 1992 | 6.31十万 |
| 1991 | 6.21十万 |
| 1990 | 6.1十万 |
| 1989 | 5.96十万 |
| 1988 | 5.82十万 |
| 1987 | 5.65十万 |
| 1986 | 5.48十万 |
| 1985 | 5.3十万 |
| 1984 | 5.12十万 |
| 1983 | 4.95十万 |
| 1982 | 4.77十万 |
| 1981 | 4.59十万 |
| 1980 | 4.4十万 |
| 1979 | 4.22十万 |
| 1978 | 4.04十万 |
| 1977 | 3.86十万 |
| 1976 | 3.7十万 |
| 1975 | 3.54十万 |
| 1974 | 3.4十万 |
| 1973 | 3.26十万 |
| 1972 | 3.14十万 |
| 1971 | 3.04十万 |
| 1970 | 2.97十万 |
| 1969 | 2.93十万 |
| 1968 | 2.88十万 |
| 1967 | 2.84十万 |
| 1966 | 2.79十万 |
| 1965 | 2.74十万 |
| 1964 | 2.68十万 |
| 1963 | 2.59十万 |
| 1962 | 2.5十万 |
| 1961 | 2.41十万 |
| 1960 | 2.33十万 |