| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 4.8 |
| 2021 | 2.3 |
| 2020 | 0.946687 |
| 2019 | 3.13397 |
| 2018 | 6.20359 |
| 2017 | 4.18597 |
| 2016 | 1.1191 |
| 2015 | 6.26264 |
| 2014 | 5.34935 |
| 2013 | 4.43565 |
| 2012 | -2.87476 |
| 2011 | 11.1635 |
| 2010 | 13.4886 |
| 2009 | 0.714377 |
| 2008 | 0.0298625 |
| 2007 | 5.49645 |
| 2006 | 9.3959 |
| 2005 | 8.55064 |
| 2004 | 6.03881 |
| 2003 | 1.93933 |
| 2002 | 5.80642 |
| 2001 | 2.92241 |
| 2000 | 1.21188 |
| 1999 | 4.85872 |
| 1998 | 14.2192 |
| 1997 | 8.70295 |
| 1996 | 7.15418 |
| 1995 | 4.28412 |
| 1994 | 1.60753 |
| 1993 | 1.81478 |
| 1992 | 0.150952 |
| 1991 | 1.96783 |
| 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 | - |