| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 12.299 |
| 2021 | 12.4236 |
| 2020 | 12.5345 |
| 2019 | 12.6148 |
| 2018 | 12.6551 |
| 2017 | 12.6572 |
| 2016 | 12.6212 |
| 2015 | 12.5472 |
| 2014 | 12.4592 |
| 2013 | 12.3835 |
| 2012 | 12.312 |
| 2011 | 12.2504 |
| 2010 | 12.1962 |
| 2009 | 12.1292 |
| 2008 | 12.0655 |
| 2007 | 12.0432 |
| 2006 | 12.0522 |
| 2005 | 12.0921 |
| 2004 | 12.1916 |
| 2003 | 12.3125 |
| 2002 | 12.3883 |
| 2001 | 12.4309 |
| 2000 | 12.4909 |
| 1999 | 12.5673 |
| 1998 | 12.6368 |
| 1997 | 12.7116 |
| 1996 | 12.747 |
| 1995 | 12.7404 |
| 1994 | 12.7849 |
| 1993 | 12.8715 |
| 1992 | 12.9238 |
| 1991 | 12.9261 |
| 1990 | 12.9109 |
| 1989 | 12.8746 |
| 1988 | 12.7879 |
| 1987 | 12.711 |
| 1986 | 12.6647 |
| 1985 | 12.6091 |
| 1984 | 12.5188 |
| 1983 | 12.413 |
| 1982 | 12.3091 |
| 1981 | 12.1706 |
| 1980 | 12.0371 |
| 1979 | 11.9385 |
| 1978 | 11.8945 |
| 1977 | 11.8871 |
| 1976 | 11.8928 |
| 1975 | 11.9021 |
| 1974 | 11.918 |
| 1973 | 11.9397 |
| 1972 | 11.9703 |
| 1971 | 12.0001 |
| 1970 | 12.0188 |
| 1969 | 12.0266 |
| 1968 | 12.0183 |
| 1967 | 11.9818 |
| 1966 | 11.9266 |
| 1965 | 11.8757 |
| 1964 | 11.8147 |
| 1963 | 11.8104 |
| 1962 | 11.9329 |
| 1961 | 12.1217 |
| 1960 | 12.3132 |