| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.80414 |
| 2021 | 6.03341 |
| 2020 | 6.17581 |
| 2019 | 6.13934 |
| 2018 | 6.37179 |
| 2017 | 6.37074 |
| 2016 | 6.46747 |
| 2015 | 6.36338 |
| 2014 | 5.87534 |
| 2013 | 5.17441 |
| 2012 | 4.66774 |
| 2011 | 4.74599 |
| 2010 | 4.5243 |
| 2009 | 3.86742 |
| 2008 | 3.86137 |
| 2007 | 4.2741 |
| 2006 | 4.43229 |
| 2005 | 4.4352 |
| 2004 | 4.81131 |
| 2003 | 5.75808 |
| 2002 | 7.88169 |
| 2001 | 9.65784 |
| 2000 | 8.85937 |
| 1999 | 8.55057 |
| 1998 | 10.2851 |
| 1997 | 9.89717 |
| 1996 | 9.5749 |
| 1995 | 8.60272 |
| 1994 | 6.3607 |
| 1993 | 6.9214 |
| 1992 | 9.86493 |
| 1991 | 12.6849 |
| 1990 | - |
| 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 | - |