| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 14.9799 |
| 2020 | 16.9733 |
| 2019 | 16.8566 |
| 2018 | 19.2376 |
| 2017 | 16.9484 |
| 2016 | 16.7175 |
| 2015 | 19.9182 |
| 2014 | 17.4543 |
| 2013 | 15.5489 |
| 2012 | 13.0078 |
| 2011 | - |
| 2010 | 8.16056 |
| 2009 | - |
| 2008 | 2.12137 |
| 2007 | - |
| 2006 | 3.26281 |
| 2005 | 8.52057 |
| 2004 | 12.9225 |
| 2003 | 17.3136 |
| 2002 | 26.1028 |
| 2001 | 41.5839 |
| 2000 | 46.3385 |
| 1999 | 49.9126 |
| 1998 | 50.6479 |
| 1997 | 50.3041 |
| 1996 | 51.8674 |
| 1995 | 52.3851 |
| 1994 | 51.7653 |
| 1993 | 50.2685 |
| 1992 | 50.1643 |
| 1991 | 50.8303 |
| 1990 | 50.6167 |
| 1989 | 50.2113 |
| 1988 | 50.2744 |
| 1987 | 48.579 |
| 1986 | 47.0628 |
| 1985 | 45.494 |
| 1984 | 42.4277 |
| 1983 | 38.8726 |
| 1982 | 37.2843 |
| 1981 | 32.0242 |
| 1980 | 30.2463 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | 50.5731 |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |