| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 19.5995 |
| 2021 | 15.7952 |
| 2020 | 14.4591 |
| 2019 | 16.9818 |
| 2018 | 17.9035 |
| 2017 | 17.4491 |
| 2016 | 19.0705 |
| 2015 | 23.6528 |
| 2014 | 27.2868 |
| 2013 | 29.6188 |
| 2012 | 31.9968 |
| 2011 | 34.5318 |
| 2010 | 28.0329 |
| 2009 | 25.3383 |
| 2008 | 29.5619 |
| 2007 | 28.2278 |
| 2006 | 24.3532 |
| 2005 | 19.9759 |
| 2004 | 17.5582 |
| 2003 | 15.3504 |
| 2002 | 13.213 |
| 2001 | 14.1882 |
| 2000 | 13.1718 |
| 1999 | 14.8501 |
| 1998 | 15.9105 |
| 1997 | 25.6895 |
| 1996 | 31.9435 |
| 1995 | 41.5077 |
| 1994 | 43.625 |
| 1993 | 47.7076 |
| 1992 | 39.3536 |
| 1991 | 33.6391 |
| 1990 | 37.4546 |
| 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 | - |