| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | 7738.88 |
| 2021 | 7238.8 |
| 2020 | 5875.07 |
| 2019 | 6691.16 |
| 2018 | 6947.82 |
| 2017 | 6705.34 |
| 2016 | 6411.55 |
| 2015 | 5869.74 |
| 2014 | 6844.03 |
| 2013 | 6436.6 |
| 2012 | 6392.99 |
| 2011 | 7080.78 |
| 2010 | 6041.73 |
| 2009 | 4938.25 |
| 2008 | 5345.85 |
| 2007 | 5372.34 |
| 2006 | 5142.91 |
| 2005 | 5240.32 |
| 2004 | 4818.21 |
| 2003 | 4111.74 |
| 2002 | 3029.79 |
| 2001 | 3115.68 |
| 2000 | 3351.7 |
| 1999 | 3242.14 |
| 1998 | 2893.33 |
| 1997 | 3100.17 |
| 1996 | 3063.99 |
| 1995 | 3064.59 |
| 1994 | 2832.81 |
| 1993 | 2845 |
| 1992 | 2918.62 |
| 1991 | 2855.95 |
| 1990 | 2825.72 |
| 1989 | 2369.13 |
| 1988 | 2096.74 |
| 1987 | 1610.37 |
| 1986 | 1180.91 |
| 1985 | 978.993 |
| 1984 | 1128.87 |
| 1983 | 1105.13 |
| 1982 | 992.118 |
| 1981 | 1092.66 |
| 1980 | 1130.32 |
| 1979 | 917.594 |
| 1978 | 695.092 |
| 1977 | 559.656 |
| 1976 | 485.404 |
| 1975 | 487.916 |
| 1974 | 442.536 |
| 1973 | 371.435 |
| 1972 | 262.465 |
| 1971 | 210.959 |
| 1970 | 162.506 |
| 1969 | 131.85 |
| 1968 | 113.701 |
| 1967 | 101.331 |
| 1966 | 89.5281 |
| 1965 | 80.1939 |
| 1964 | 74.0144 |
| 1963 | 69.3789 |
| 1962 | 66.4487 |
| 1961 | 62.743 |
| 1960 | 59.2971 |