| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | 7.55万 |
| 2021 | 7.25万 |
| 2020 | 6.59万 |
| 2019 | 7.35万 |
| 2018 | 7.28万 |
| 2017 | 7.13万 |
| 2016 | 6.99万 |
| 2015 | 6.65万 |
| 2014 | 7.13万 |
| 2013 | 6.88万 |
| 2012 | 6.31万 |
| 2011 | 6.44万 |
| 2010 | 6.15万 |
| 2009 | 5.7万 |
| 2008 | 6.78万 |
| 2007 | 6.7万 |
| 2006 | 6.46万 |
| 2005 | 6.08万 |
| 2004 | 5.92万 |
| 2003 | 5.86万 |
| 2002 | 5.7万 |
| 2001 | 5.48万 |
| 2000 | 5.57万 |
| 1999 | 5.58万 |
| 1998 | 5.2万 |
| 1997 | 5.29万 |
| 1996 | 5万 |
| 1995 | 4.84万 |
| 1994 | 4.64万 |
| 1993 | 4.61万 |
| 1992 | 4.65万 |
| 1991 | 4.65万 |
| 1990 | 4.46万 |
| 1989 | 4.3万 |
| 1988 | 3.93万 |
| 1987 | 3.4万 |
| 1986 | 3.14万 |
| 1985 | 3.01万 |
| 1984 | 2.91万 |
| 1983 | 2.78万 |
| 1982 | 2.55万 |
| 1981 | 2.36万 |
| 1980 | 2.27万 |
| 1979 | 2.13万 |
| 1978 | 2万 |
| 1977 | 1.84万 |
| 1976 | 1.73万 |
| 1975 | 1.64万 |
| 1974 | 1.59万 |
| 1973 | 1.54万 |
| 1972 | 1.33万 |
| 1971 | 1.09万 |
| 1970 | 8874.51 |
| 1969 | 7648.39 |
| 1968 | 6690.19 |
| 1967 | 6091.9 |
| 1966 | 5789.87 |
| 1965 | 5481.47 |
| 1964 | 5260.45 |
| 1963 | 5042.71 |
| 1962 | 4872.76 |
| 1961 | 4672.96 |
| 1960 | 4493.08 |