| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 93.4819 |
| 2021 | 94.6221 |
| 2020 | 94.8012 |
| 2019 | 93.9554 |
| 2018 | 91.3421 |
| 2017 | 86.3832 |
| 2016 | 82.4731 |
| 2015 | 82.255 |
| 2014 | 84.5985 |
| 2013 | 88.5071 |
| 2012 | 93.6328 |
| 2011 | 96.1797 |
| 2010 | 102.437 |
| 2009 | 106.122 |
| 2008 | 112.769 |
| 2007 | 112.323 |
| 2006 | 111.067 |
| 2005 | 108.604 |
| 2004 | 104.715 |
| 2003 | 99.5287 |
| 2002 | 92.1489 |
| 2001 | 76.0187 |
| 2000 | 69.6305 |
| 1999 | 67.806 |
| 1998 | 66.8479 |
| 1997 | 68.8034 |
| 1996 | 66.6055 |
| 1995 | 66.6243 |
| 1994 | 68.4029 |
| 1993 | 70.6781 |
| 1992 | 69.538 |
| 1991 | 68.7983 |
| 1990 | 67.388 |
| 1989 | 66.4302 |
| 1988 | 65.7528 |
| 1987 | 67.9232 |
| 1986 | 69.9589 |
| 1985 | 73.4521 |
| 1984 | 84.5953 |
| 1983 | 90.6887 |
| 1982 | 94.4199 |
| 1981 | 100.188 |
| 1980 | 100.352 |
| 1979 | 101.201 |
| 1978 | 99.8167 |
| 1977 | 80.782 |
| 1976 | 73.4048 |
| 1975 | 63.3726 |
| 1974 | 53.0035 |
| 1973 | 49.6077 |
| 1972 | 46.7483 |
| 1971 | 43.8527 |
| 1970 | 42.0478 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |