| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 9.25031 |
| 2020 | 16.4433 |
| 2019 | 8.98017 |
| 2018 | 16.2665 |
| 2017 | 12.6263 |
| 2016 | 13.3178 |
| 2015 | 9.5554 |
| 2014 | 9.68272 |
| 2013 | 12.38 |
| 2012 | 8.68886 |
| 2011 | 8.91878 |
| 2010 | 8.72011 |
| 2009 | 7.51997 |
| 2008 | 4.67662 |
| 2007 | 4.70971 |
| 2006 | 5.12736 |
| 2005 | 5.78173 |
| 2004 | 5.52341 |
| 2003 | 4.4555 |
| 2002 | 3.69977 |
| 2001 | 0.923095 |
| 2000 | 2.60512 |
| 1999 | 2.41149 |
| 1998 | 3.5365 |
| 1997 | 4.4881 |
| 1996 | 3.46822 |
| 1995 | 3.03371 |
| 1994 | 4.03371 |
| 1993 | 4.07865 |
| 1992 | 5.4458 |
| 1991 | 5.51805 |
| 1990 | 5.2 |
| 1989 | 4.92222 |
| 1988 | 4.57678 |
| 1987 | 5.31567 |
| 1986 | 4.71989 |
| 1985 | 4.6 |
| 1984 | 4.5375 |
| 1983 | 2.86262 |
| 1982 | 3.65112 |
| 1981 | 3.6375 |
| 1980 | 4.4375 |
| 1979 | 3.75 |
| 1978 | 3.6625 |
| 1977 | 4.24943 |
| 1976 | 4.38871 |
| 1975 | 4.23857 |
| 1974 | 4.44914 |
| 1973 | 2.84814 |
| 1972 | 2.28971 |
| 1971 | 2.48571 |
| 1970 | 2.14286 |
| 1969 | 1.83333 |
| 1968 | 1.5 |
| 1967 | 1.45 |
| 1966 | 1.46667 |
| 1965 | 1.16667 |
| 1964 | 0.65 |
| 1963 | 0.508197 |
| 1962 | 0.471287 |
| 1961 | 0.523654 |
| 1960 | - |