| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 2.05416 |
| 2021 | 2.06526 |
| 2020 | 2.08164 |
| 2019 | 2.10184 |
| 2018 | 2.12534 |
| 2017 | 2.15423 |
| 2016 | 2.18674 |
| 2015 | 2.22041 |
| 2014 | 2.25069 |
| 2013 | 2.27392 |
| 2012 | 2.28951 |
| 2011 | 2.29645 |
| 2010 | 2.2956 |
| 2009 | 2.28054 |
| 2008 | 2.26336 |
| 2007 | 2.26024 |
| 2006 | 2.26143 |
| 2005 | 2.25875 |
| 2004 | 2.25532 |
| 2003 | 2.23718 |
| 2002 | 2.18471 |
| 2001 | 2.11425 |
| 2000 | 2.05672 |
| 1999 | 2.01763 |
| 1998 | 1.98261 |
| 1997 | 1.95985 |
| 1996 | 1.91382 |
| 1995 | 1.86162 |
| 1994 | 1.88745 |
| 1993 | 1.96216 |
| 1992 | 2.00545 |
| 1991 | 2.01571 |
| 1990 | 2.02789 |
| 1989 | 2.03981 |
| 1988 | 2.05652 |
| 1987 | 2.07843 |
| 1986 | 2.10004 |
| 1985 | 2.12259 |
| 1984 | 2.14496 |
| 1983 | 2.16621 |
| 1982 | 2.1864 |
| 1981 | 2.20423 |
| 1980 | 2.2199 |
| 1979 | 2.23528 |
| 1978 | 2.24832 |
| 1977 | 2.25537 |
| 1976 | 2.25782 |
| 1975 | 2.25837 |
| 1974 | 2.25768 |
| 1973 | 2.25528 |
| 1972 | 2.24955 |
| 1971 | 2.24279 |
| 1970 | 2.23694 |
| 1969 | 2.22993 |
| 1968 | 2.22183 |
| 1967 | 2.21888 |
| 1966 | 2.22184 |
| 1965 | 2.22487 |
| 1964 | 2.22683 |
| 1963 | 2.22827 |
| 1962 | 2.23007 |
| 1961 | 2.23025 |
| 1960 | 2.22989 |