| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | 80.9828 |
| 2021 | 81.8534 |
| 2020 | 82.7954 |
| 2019 | 83.716 |
| 2018 | 84.5522 |
| 2017 | 85.2347 |
| 2016 | 85.7593 |
| 2015 | 86.1027 |
| 2014 | 86.3063 |
| 2013 | 86.4762 |
| 2012 | 86.6112 |
| 2011 | 86.6814 |
| 2010 | 86.5551 |
| 2009 | 86.2428 |
| 2008 | 85.8823 |
| 2007 | 85.5526 |
| 2006 | 85.2491 |
| 2005 | 84.9417 |
| 2004 | 84.7143 |
| 2003 | 84.6314 |
| 2002 | 84.6589 |
| 2001 | 84.7867 |
| 2000 | 84.9924 |
| 1999 | 85.2707 |
| 1998 | 85.6921 |
| 1997 | 86.1911 |
| 1996 | 86.9752 |
| 1995 | 87.9515 |
| 1994 | 88.6285 |
| 1993 | 89.1113 |
| 1992 | 89.7832 |
| 1991 | 90.6211 |
| 1990 | 91.4579 |
| 1989 | 92.294 |
| 1988 | 92.9479 |
| 1987 | 93.5879 |
| 1986 | 94.2611 |
| 1985 | 94.7703 |
| 1984 | 94.9966 |
| 1983 | 94.9464 |
| 1982 | 94.6751 |
| 1981 | 94.1149 |
| 1980 | 93.3923 |
| 1979 | 92.5587 |
| 1978 | 91.8012 |
| 1977 | 91.2567 |
| 1976 | 90.8719 |
| 1975 | 90.5189 |
| 1974 | 90.1817 |
| 1973 | 89.9155 |
| 1972 | 89.8134 |
| 1971 | 89.7613 |
| 1970 | 89.6567 |
| 1969 | 89.597 |
| 1968 | 89.5802 |
| 1967 | 89.3509 |
| 1966 | 88.8539 |
| 1965 | 88.3128 |
| 1964 | 87.7226 |
| 1963 | 87.2547 |
| 1962 | 87.119 |
| 1961 | 87.2139 |
| 1960 | 87.3058 |