| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.73677 |
| 2021 | 4.25303 |
| 2020 | 8.2961 |
| 2019 | 3.72041 |
| 2018 | - |
| 2017 | - |
| 2016 | 5.28364 |
| 2015 | 5.82988 |
| 2014 | 6.17974 |
| 2013 | 5.3252 |
| 2012 | 5.69218 |
| 2011 | - |
| 2010 | 2.55009 |
| 2009 | - |
| 2008 | - |
| 2007 | 2.07324 |
| 2006 | - |
| 2005 | 1.98244 |
| 2004 | 1.76085 |
| 2003 | 1.26589 |
| 2002 | 1.06286 |
| 2001 | 1.02373 |
| 2000 | 1.00133 |
| 1999 | 0.96385 |
| 1998 | 0.84344 |
| 1997 | 0.98128 |
| 1996 | 0.85009 |
| 1995 | 0.76755 |
| 1994 | 0.6609 |
| 1993 | 0.64285 |
| 1992 | 0.56285 |
| 1991 | 0.55086 |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | 0.56046 |
| 1986 | 0.4765 |
| 1985 | 0.48256 |
| 1984 | 0.48547 |
| 1983 | 0.46821 |
| 1982 | 0.45948 |
| 1981 | - |
| 1980 | - |
| 1979 | 0.45267 |
| 1978 | 0.57917 |
| 1977 | 0.3274 |
| 1976 | 0.41965 |
| 1975 | 0.39943 |
| 1974 | 0.45187 |
| 1973 | 0.40233 |
| 1972 | 0.36853 |
| 1971 | 0.30776 |
| 1970 | 0.29155 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |