| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 8.30588 |
| 2021 | 8.00508 |
| 2020 | 7.69958 |
| 2019 | 7.78241 |
| 2018 | 8.11259 |
| 2017 | 8.50343 |
| 2016 | 9.06651 |
| 2015 | 9.92729 |
| 2014 | 9.86779 |
| 2013 | 10.0456 |
| 2012 | 10.4271 |
| 2011 | 9.69688 |
| 2010 | 10.3622 |
| 2009 | 12.3331 |
| 2008 | 11.3176 |
| 2007 | 13.1093 |
| 2006 | 11.8898 |
| 2005 | 11.918 |
| 2004 | 11.4759 |
| 2003 | 10.3783 |
| 2002 | 8.86439 |
| 2001 | 8.00368 |
| 2000 | 7.85118 |
| 1999 | 7.83559 |
| 1998 | 8.22894 |
| 1997 | 8.28448 |
| 1996 | 11.5544 |
| 1995 | 11.5225 |
| 1994 | 17.1172 |
| 1993 | 19.3864 |
| 1992 | 19.638 |
| 1991 | 18.9387 |
| 1990 | 17.7744 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |