| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.406906 |
| 2021 | 0.390589 |
| 2020 | 0.373213 |
| 2019 | 0.356386 |
| 2018 | 0.341472 |
| 2017 | 0.328314 |
| 2016 | 0.318612 |
| 2015 | 0.311917 |
| 2014 | 0.307891 |
| 2013 | 0.306104 |
| 2012 | 0.305221 |
| 2011 | 0.303858 |
| 2010 | 0.30294 |
| 2009 | 0.304681 |
| 2008 | 0.307821 |
| 2007 | 0.310468 |
| 2006 | 0.312558 |
| 2005 | 0.314041 |
| 2004 | 0.315795 |
| 2003 | 0.318645 |
| 2002 | 0.322614 |
| 2001 | 0.326751 |
| 2000 | 0.330278 |
| 1999 | 0.33349 |
| 1998 | 0.336855 |
| 1997 | 0.339927 |
| 1996 | 0.341982 |
| 1995 | 0.343454 |
| 1994 | 0.344994 |
| 1993 | 0.346455 |
| 1992 | 0.347362 |
| 1991 | 0.347006 |
| 1990 | 0.345923 |
| 1989 | 0.344507 |
| 1988 | 0.340947 |
| 1987 | 0.335788 |
| 1986 | 0.332441 |
| 1985 | 0.33114 |
| 1984 | 0.330287 |
| 1983 | 0.33073 |
| 1982 | 0.333365 |
| 1981 | 0.337241 |
| 1980 | 0.341793 |
| 1979 | 0.346941 |
| 1978 | 0.352339 |
| 1977 | 0.357256 |
| 1976 | 0.361315 |
| 1975 | 0.366299 |
| 1974 | 0.372982 |
| 1973 | 0.380811 |
| 1972 | 0.391373 |
| 1971 | 0.40607 |
| 1970 | 0.424174 |
| 1969 | 0.444961 |
| 1968 | 0.467755 |
| 1967 | 0.492177 |
| 1966 | 0.518165 |
| 1965 | 0.545986 |
| 1964 | 0.575558 |
| 1963 | 0.606633 |
| 1962 | 0.639444 |
| 1961 | 0.673996 |
| 1960 | 0.710185 |