| 年份 | 肯尼亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.685684 | 
| 2021 | 0.700204 | 
| 2020 | 0.7041 | 
| 2019 | 0.702252 | 
| 2018 | 0.690317 | 
| 2017 | 0.666605 | 
| 2016 | 0.640002 | 
| 2015 | 0.609756 | 
| 2014 | 0.575885 | 
| 2013 | 0.539129 | 
| 2012 | 0.500356 | 
| 2011 | 0.459075 | 
| 2010 | 0.42058 | 
| 2009 | 0.398138 | 
| 2008 | 0.388035 | 
| 2007 | 0.379562 | 
| 2006 | 0.372478 | 
| 2005 | 0.365746 | 
| 2004 | 0.358798 | 
| 2003 | 0.350875 | 
| 2002 | 0.34204 | 
| 2001 | 0.33279 | 
| 2000 | 0.323255 | 
| 1999 | 0.31349 | 
| 1998 | 0.30363 | 
| 1997 | 0.294493 | 
| 1996 | 0.286588 | 
| 1995 | 0.279447 | 
| 1994 | 0.272207 | 
| 1993 | 0.264211 | 
| 1992 | 0.255786 | 
| 1991 | 0.248479 | 
| 1990 | 0.242528 | 
| 1989 | 0.237035 | 
| 1988 | 0.232186 | 
| 1987 | 0.228901 | 
| 1986 | 0.227563 | 
| 1985 | 0.227593 | 
| 1984 | 0.228198 | 
| 1983 | 0.228234 | 
| 1982 | 0.226647 | 
| 1981 | 0.223363 | 
| 1980 | 0.221781 | 
| 1979 | 0.222854 | 
| 1978 | 0.223873 | 
| 1977 | 0.226469 | 
| 1976 | 0.23268 | 
| 1975 | 0.24191 | 
| 1974 | 0.252151 | 
| 1973 | 0.262627 | 
| 1972 | 0.273567 | 
| 1971 | 0.28526 | 
| 1970 | 0.298398 | 
| 1969 | 0.312561 | 
| 1968 | 0.327359 | 
| 1967 | 0.343241 | 
| 1966 | 0.360276 | 
| 1965 | 0.378596 | 
| 1964 | 0.398199 | 
| 1963 | 0.419088 | 
| 1962 | 0.441503 | 
| 1961 | 0.465311 | 
| 1960 | 0.490304 |