| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 2.79759 |
| 2021 | 2.73589 |
| 2020 | 2.67377 |
| 2019 | 2.60833 |
| 2018 | 2.54299 |
| 2017 | 2.49534 |
| 2016 | 2.46867 |
| 2015 | 2.46124 |
| 2014 | 2.45761 |
| 2013 | 2.4536 |
| 2012 | 2.46295 |
| 2011 | 2.47949 |
| 2010 | 2.50231 |
| 2009 | 2.51037 |
| 2008 | 2.51634 |
| 2007 | 2.54398 |
| 2006 | 2.57739 |
| 2005 | 2.60838 |
| 2004 | 2.63044 |
| 2003 | 2.64867 |
| 2002 | 2.67835 |
| 2001 | 2.7119 |
| 2000 | 2.74581 |
| 1999 | 2.78448 |
| 1998 | 2.79619 |
| 1997 | 2.77708 |
| 1996 | 2.69775 |
| 1995 | 2.59752 |
| 1994 | 2.58537 |
| 1993 | 2.62883 |
| 1992 | 2.63276 |
| 1991 | 2.59594 |
| 1990 | 2.56182 |
| 1989 | 2.53245 |
| 1988 | 2.51814 |
| 1987 | 2.51599 |
| 1986 | 2.51962 |
| 1985 | 2.53231 |
| 1984 | 2.5527 |
| 1983 | 2.57749 |
| 1982 | 2.60544 |
| 1981 | 2.63654 |
| 1980 | 2.66794 |
| 1979 | 2.69807 |
| 1978 | 2.71954 |
| 1977 | 2.7259 |
| 1976 | 2.72196 |
| 1975 | 2.71444 |
| 1974 | 2.70521 |
| 1973 | 2.69413 |
| 1972 | 2.67787 |
| 1971 | 2.66091 |
| 1970 | 2.64754 |
| 1969 | 2.63364 |
| 1968 | 2.61936 |
| 1967 | 2.61568 |
| 1966 | 2.62316 |
| 1965 | 2.63055 |
| 1964 | 2.63549 |
| 1963 | 2.6398 |
| 1962 | 2.64552 |
| 1961 | 2.64848 |
| 1960 | 2.65085 |