| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 16.8177 |
| 2021 | 16.9703 |
| 2020 | 17.1176 |
| 2019 | 17.2476 |
| 2018 | 17.3409 |
| 2017 | 17.3856 |
| 2016 | 17.4274 |
| 2015 | 17.5117 |
| 2014 | 17.6133 |
| 2013 | 17.7355 |
| 2012 | 17.9131 |
| 2011 | 18.1091 |
| 2010 | 18.2728 |
| 2009 | 18.3612 |
| 2008 | 18.3833 |
| 2007 | 18.3803 |
| 2006 | 18.3439 |
| 2005 | 18.265 |
| 2004 | 18.1674 |
| 2003 | 18.0877 |
| 2002 | 18.0344 |
| 2001 | 18.0066 |
| 2000 | 17.9747 |
| 1999 | 17.9103 |
| 1998 | 17.8456 |
| 1997 | 17.8331 |
| 1996 | 17.8558 |
| 1995 | 17.907 |
| 1994 | 18.0192 |
| 1993 | 18.1586 |
| 1992 | 18.2658 |
| 1991 | 18.3496 |
| 1990 | 18.448 |
| 1989 | 18.5638 |
| 1988 | 18.676 |
| 1987 | 18.8357 |
| 1986 | 19.0353 |
| 1985 | 19.2286 |
| 1984 | 19.3983 |
| 1983 | 19.5474 |
| 1982 | 19.6777 |
| 1981 | 19.7474 |
| 1980 | 19.7919 |
| 1979 | 19.8264 |
| 1978 | 19.8441 |
| 1977 | 19.8363 |
| 1976 | 19.8189 |
| 1975 | 19.7823 |
| 1974 | 19.7209 |
| 1973 | 19.6541 |
| 1972 | 19.5963 |
| 1971 | 19.5482 |
| 1970 | 19.5107 |
| 1969 | 19.4901 |
| 1968 | 19.4861 |
| 1967 | 19.4821 |
| 1966 | 19.465 |
| 1965 | 19.4363 |
| 1964 | 19.4017 |
| 1963 | 19.3608 |
| 1962 | 19.3169 |
| 1961 | 19.2688 |
| 1960 | 19.2116 |