| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 4.54769 |
| 2020 | 4.25696 |
| 2019 | 4.06578 |
| 2018 | 3.90007 |
| 2017 | 3.78306 |
| 2016 | - |
| 2015 | 3.45919 |
| 2014 | 2.77273 |
| 2013 | 2.40512 |
| 2012 | - |
| 2011 | 2.7576 |
| 2010 | 1.80869 |
| 2009 | 1.52191 |
| 2008 | 1.42009 |
| 2007 | 0.97985 |
| 2006 | 1.0075 |
| 2005 | 0.85607 |
| 2004 | 0.58215 |
| 2003 | 0.47241 |
| 2002 | 0.35059 |
| 2001 | 0.11931 |
| 2000 | - |
| 1999 | 0.17039 |
| 1998 | 0.18204 |
| 1997 | 0.15407 |
| 1996 | 0.14416 |
| 1995 | 0.13333 |
| 1994 | 0.09558 |
| 1993 | 0.10145 |
| 1992 | 0.10845 |
| 1991 | 0.1413 |
| 1990 | 0.16685 |
| 1989 | 0.17391 |
| 1988 | 0.09772 |
| 1987 | 0.07994 |
| 1986 | 0.09583 |
| 1985 | 0.3033 |
| 1984 | 0.27265 |
| 1983 | 0.2321 |
| 1982 | 0.2582 |
| 1981 | 0.2137 |
| 1980 | 0.19141 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | 5.02928 |
| 1974 | 4.67271 |
| 1973 | 2.61551 |
| 1972 | 1.94294 |
| 1971 | 1.55583 |
| 1970 | 2.27443 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |