| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.52701 |
| 2021 | 1.2478 |
| 2020 | -1.01958 |
| 2019 | 2.66782 |
| 2018 | 2.16418 |
| 2017 | 3.25034 |
| 2016 | 3.23214 |
| 2015 | 2.68537 |
| 2014 | 3.47055 |
| 2013 | 3.61664 |
| 2012 | 1.50935 |
| 2011 | 4.64929 |
| 2010 | 3.62505 |
| 2009 | 2.67129 |
| 2008 | 2.84601 |
| 2007 | 3.81932 |
| 2006 | 3.58939 |
| 2005 | 4.54244 |
| 2004 | 4.63129 |
| 2003 | 3.87699 |
| 2002 | 4.33386 |
| 2001 | 3.23009 |
| 2000 | 1.60421 |
| 1999 | 2.1371 |
| 1998 | 1.04312 |
| 1997 | 1.43093 |
| 1996 | 2.60181 |
| 1995 | 0.317149 |
| 1994 | -2.30113 |
| 1993 | -1.94556 |
| 1992 | -1.92492 |
| 1991 | -0.521184 |
| 1990 | 4.26155 |
| 1989 | 1.01156 |
| 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 | - |