| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | 8.51十万 |
| 2021 | 8.35十万 |
| 2020 | 8.19十万 |
| 2019 | 8.03十万 |
| 2018 | 7.87十万 |
| 2017 | 7.7十万 |
| 2016 | 7.53十万 |
| 2015 | 7.37十万 |
| 2014 | 7.22十万 |
| 2013 | 7.08十万 |
| 2012 | 6.94十万 |
| 2011 | 6.8十万 |
| 2010 | 6.65十万 |
| 2009 | 6.5十万 |
| 2008 | 6.35十万 |
| 2007 | 6.2十万 |
| 2006 | 6.06十万 |
| 2005 | 5.92十万 |
| 2004 | 5.78十万 |
| 2003 | 5.65十万 |
| 2002 | 5.51十万 |
| 2001 | 5.36十万 |
| 2000 | 5.22十万 |
| 1999 | 5.07十万 |
| 1998 | 4.91十万 |
| 1997 | 4.75十万 |
| 1996 | 4.59十万 |
| 1995 | 4.43十万 |
| 1994 | 4.27十万 |
| 1993 | 4.11十万 |
| 1992 | 3.96十万 |
| 1991 | 3.81十万 |
| 1990 | 3.67十万 |
| 1989 | 3.53十万 |
| 1988 | 3.4十万 |
| 1987 | 3.27十万 |
| 1986 | 3.16十万 |
| 1985 | 3.04十万 |
| 1984 | 2.93十万 |
| 1983 | 2.82十万 |
| 1982 | 2.72十万 |
| 1981 | 2.61十万 |
| 1980 | 2.5十万 |
| 1979 | 2.38十万 |
| 1978 | 2.26十万 |
| 1977 | 2.15十万 |
| 1976 | 2.05十万 |
| 1975 | 1.95十万 |
| 1974 | 1.85十万 |
| 1973 | 1.76十万 |
| 1972 | 1.67十万 |
| 1971 | 1.61十万 |
| 1970 | 1.58十万 |
| 1969 | 1.55十万 |
| 1968 | 1.54十万 |
| 1967 | 1.52十万 |
| 1966 | 1.51十万 |
| 1965 | 1.49十万 |
| 1964 | 1.47十万 |
| 1963 | 1.44十万 |
| 1962 | 1.42十万 |
| 1961 | 1.4十万 |
| 1960 | 1.38十万 |