| 年份 | 博茨瓦纳 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1003.7 |
| 2020 | 1034.7 |
| 2019 | 676.3 |
| 2018 | 550.3 |
| 2017 | 316.6 |
| 2016 | 471.6 |
| 2015 | 938.4 |
| 2014 | 305.2 |
| 2013 | 217.6 |
| 2012 | 367.2 |
| 2011 | 452.3 |
| 2010 | 371.6 |
| 2009 | 363.6 |
| 2008 | 360.8 |
| 2007 | 639.2 |
| 2006 | 372.4 |
| 2005 | 438.6 |
| 2004 | 274.3 |
| 2003 | 1214.5 |
| 2002 | 357.3 |
| 2001 | 554.4 |
| 2000 | 152.6 |
| 1999 | 228.5 |
| 1998 | 246.7 |
| 1997 | 276.8 |
| 1996 | 323.4 |
| 1995 | 458.4 |
| 1994 | 223.8 |
| 1993 | 424.3 |
| 1992 | 288.7 |
| 1991 | 381.3 |
| 1990 | 265.5 |
| 1989 | 288.9 |
| 1988 | 375.6 |
| 1987 | 190.7 |
| 1986 | 198.5 |
| 1985 | 200.7 |
| 1984 | 150.7 |
| 1983 | 265.3 |
| 1982 | 287.9 |
| 1981 | 275.2 |
| 1980 | 237.2 |
| 1979 | 132.3 |
| 1978 | 268.7 |
| 1977 | 415.1 |
| 1976 | 643.2 |
| 1975 | 446.2 |
| 1974 | 691 |
| 1973 | 275.6 |
| 1972 | 948.5 |
| 1971 | 448 |
| 1970 | 63.2 |
| 1969 | 309.6 |
| 1968 | 261.6 |
| 1967 | 316.9 |
| 1966 | 439.9 |
| 1965 | 329.8 |
| 1964 | 275.9 |
| 1963 | 382.8 |
| 1962 | 339.6 |
| 1961 | 341.8 |
| 1960 | - |