| 年份 | 坦桑尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 31 |
| 2020 | 31.8 |
| 2019 | 32.7 |
| 2018 | 33.6 |
| 2017 | 34.9 |
| 2016 | 36.3 |
| 2015 | 37.5 |
| 2014 | 38.4 |
| 2013 | 39.4 |
| 2012 | 40.5 |
| 2011 | 41.8 |
| 2010 | 43.4 |
| 2009 | 45 |
| 2008 | 47.1 |
| 2007 | 49.1 |
| 2006 | 51.9 |
| 2005 | 54.6 |
| 2004 | 57.9 |
| 2003 | 61.6 |
| 2002 | 65.6 |
| 2001 | 70.1 |
| 2000 | 74.5 |
| 1999 | 78.6 |
| 1998 | 82.1 |
| 1997 | 85.1 |
| 1996 | 87.4 |
| 1995 | 89.3 |
| 1994 | 90.8 |
| 1993 | 92.2 |
| 1992 | 93.5 |
| 1991 | 94.5 |
| 1990 | 95.8 |
| 1989 | 97.3 |
| 1988 | 98.9 |
| 1987 | 100.4 |
| 1986 | 101.7 |
| 1985 | 102.3 |
| 1984 | 102.3 |
| 1983 | 101.9 |
| 1982 | 101.5 |
| 1981 | 101.1 |
| 1980 | 101.2 |
| 1979 | 102.1 |
| 1978 | 103.8 |
| 1977 | 105.7 |
| 1976 | 107.9 |
| 1975 | 110 |
| 1974 | 112.3 |
| 1973 | 114.5 |
| 1972 | 116.5 |
| 1971 | 118.4 |
| 1970 | 120.3 |
| 1969 | 122.1 |
| 1968 | 123.9 |
| 1967 | 125.7 |
| 1966 | 127.4 |
| 1965 | 129.1 |
| 1964 | 130.5 |
| 1963 | 131.7 |
| 1962 | 132.8 |
| 1961 | 133.9 |
| 1960 | 134.9 |