| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.550972 |
| 2021 | 0.550601 |
| 2020 | 0.54964 |
| 2019 | 0.549541 |
| 2018 | 0.548826 |
| 2017 | 0.545931 |
| 2016 | 0.542551 |
| 2015 | 0.53734 |
| 2014 | 0.530392 |
| 2013 | 0.522229 |
| 2012 | 0.512035 |
| 2011 | 0.498624 |
| 2010 | 0.484925 |
| 2009 | 0.47622 |
| 2008 | 0.470127 |
| 2007 | 0.462305 |
| 2006 | 0.45282 |
| 2005 | 0.441859 |
| 2004 | 0.431108 |
| 2003 | 0.422669 |
| 2002 | 0.417356 |
| 2001 | 0.414574 |
| 2000 | 0.41267 |
| 1999 | 0.410526 |
| 1998 | 0.407379 |
| 1997 | 0.402354 |
| 1996 | 0.395749 |
| 1995 | 0.388484 |
| 1994 | 0.381019 |
| 1993 | 0.373706 |
| 1992 | 0.367284 |
| 1991 | 0.361772 |
| 1990 | 0.35704 |
| 1989 | 0.352558 |
| 1988 | 0.346253 |
| 1987 | 0.337826 |
| 1986 | 0.32977 |
| 1985 | 0.322904 |
| 1984 | 0.316705 |
| 1983 | 0.311946 |
| 1982 | 0.309603 |
| 1981 | 0.309626 |
| 1980 | 0.312769 |
| 1979 | 0.318017 |
| 1978 | 0.323003 |
| 1977 | 0.32633 |
| 1976 | 0.326325 |
| 1975 | 0.324174 |
| 1974 | 0.320161 |
| 1973 | 0.314071 |
| 1972 | 0.310335 |
| 1971 | 0.31337 |
| 1970 | 0.322828 |
| 1969 | 0.336867 |
| 1968 | 0.353918 |
| 1967 | 0.37269 |
| 1966 | 0.392761 |
| 1965 | 0.414296 |
| 1964 | 0.437214 |
| 1963 | 0.461359 |
| 1962 | 0.486931 |
| 1961 | 0.514019 |
| 1960 | 0.54256 |