| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.10911 |
| 2021 | 3.70787 |
| 2020 | 7.50898 |
| 2019 | 3.02423 |
| 2018 | - |
| 2017 | - |
| 2016 | 3.94586 |
| 2015 | 4.15589 |
| 2014 | 4.84903 |
| 2013 | 3.75792 |
| 2012 | 4.03182 |
| 2011 | - |
| 2010 | 2.14439 |
| 2009 | - |
| 2008 | - |
| 2007 | 1.45643 |
| 2006 | - |
| 2005 | 1.41761 |
| 2004 | 1.20786 |
| 2003 | 0.89393 |
| 2002 | 0.69641 |
| 2001 | 0.66433 |
| 2000 | 0.64562 |
| 1999 | 0.60553 |
| 1998 | 0.52714 |
| 1997 | 0.6106 |
| 1996 | 0.52181 |
| 1995 | 0.46422 |
| 1994 | 0.40017 |
| 1993 | 0.37679 |
| 1992 | 0.33475 |
| 1991 | 0.32643 |
| 1990 | - |
| 1989 | 0.24933 |
| 1988 | - |
| 1987 | 0.31252 |
| 1986 | 0.26609 |
| 1985 | 0.26711 |
| 1984 | 0.27036 |
| 1983 | 0.26331 |
| 1982 | 0.26093 |
| 1981 | - |
| 1980 | - |
| 1979 | 0.25576 |
| 1978 | 0.31823 |
| 1977 | 0.17017 |
| 1976 | 0.21508 |
| 1975 | 0.22054 |
| 1974 | 0.25634 |
| 1973 | 0.23192 |
| 1972 | 0.21338 |
| 1971 | 0.18102 |
| 1970 | 0.16954 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |