| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 5.79656 |
| 2021 | 5.85207 |
| 2020 | 5.90184 |
| 2019 | 5.91752 |
| 2018 | 5.90637 |
| 2017 | 5.90071 |
| 2016 | 5.89947 |
| 2015 | 5.89507 |
| 2014 | 5.87625 |
| 2013 | 5.83096 |
| 2012 | 5.75571 |
| 2011 | 5.66292 |
| 2010 | 5.56853 |
| 2009 | 5.46568 |
| 2008 | 5.37635 |
| 2007 | 5.32122 |
| 2006 | 5.28586 |
| 2005 | 5.26261 |
| 2004 | 5.2503 |
| 2003 | 5.24667 |
| 2002 | 5.25139 |
| 2001 | 5.26631 |
| 2000 | 5.29895 |
| 1999 | 5.34342 |
| 1998 | 5.37875 |
| 1997 | 5.41569 |
| 1996 | 5.42784 |
| 1995 | 5.45073 |
| 1994 | 5.56223 |
| 1993 | 5.69552 |
| 1992 | 5.75613 |
| 1991 | 5.76413 |
| 1990 | 5.77431 |
| 1989 | 5.78835 |
| 1988 | 5.80083 |
| 1987 | 5.83635 |
| 1986 | 5.88092 |
| 1985 | 5.90947 |
| 1984 | 5.91063 |
| 1983 | 5.88924 |
| 1982 | 5.84958 |
| 1981 | 5.77365 |
| 1980 | 5.6848 |
| 1979 | 5.59095 |
| 1978 | 5.49794 |
| 1977 | 5.40707 |
| 1976 | 5.31983 |
| 1975 | 5.23506 |
| 1974 | 5.15189 |
| 1973 | 5.07046 |
| 1972 | 4.99923 |
| 1971 | 4.9387 |
| 1970 | 4.88392 |
| 1969 | 4.83898 |
| 1968 | 4.80596 |
| 1967 | 4.77606 |
| 1966 | 4.74198 |
| 1965 | 4.70645 |
| 1964 | 4.66971 |
| 1963 | 4.63613 |
| 1962 | 4.60952 |
| 1961 | 4.58804 |
| 1960 | 4.56571 |