| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 0.340739 |
| 2021 | 0.351775 |
| 2020 | 0.359009 |
| 2019 | 0.363928 |
| 2018 | 0.364048 |
| 2017 | 0.358224 |
| 2016 | 0.351254 |
| 2015 | 0.342256 |
| 2014 | 0.33095 |
| 2013 | 0.317697 |
| 2012 | 0.302767 |
| 2011 | 0.285347 |
| 2010 | 0.2687 |
| 2009 | 0.261384 |
| 2008 | 0.261224 |
| 2007 | 0.261741 |
| 2006 | 0.262231 |
| 2005 | 0.261889 |
| 2004 | 0.261231 |
| 2003 | 0.260108 |
| 2002 | 0.258619 |
| 2001 | 0.256302 |
| 2000 | 0.253247 |
| 1999 | 0.250202 |
| 1998 | 0.247188 |
| 1997 | 0.244422 |
| 1996 | 0.241763 |
| 1995 | 0.238979 |
| 1994 | 0.235709 |
| 1993 | 0.231511 |
| 1992 | 0.226864 |
| 1991 | 0.223356 |
| 1990 | 0.221115 |
| 1989 | 0.219232 |
| 1988 | 0.218074 |
| 1987 | 0.218236 |
| 1986 | 0.219523 |
| 1985 | 0.221591 |
| 1984 | 0.224179 |
| 1983 | 0.226811 |
| 1982 | 0.22916 |
| 1981 | 0.231708 |
| 1980 | 0.236083 |
| 1979 | 0.242542 |
| 1978 | 0.250162 |
| 1977 | 0.259367 |
| 1976 | 0.270146 |
| 1975 | 0.281992 |
| 1974 | 0.295006 |
| 1973 | 0.308899 |
| 1972 | 0.323495 |
| 1971 | 0.339001 |
| 1970 | 0.355125 |
| 1969 | 0.371627 |
| 1968 | 0.38874 |
| 1967 | 0.407076 |
| 1966 | 0.426737 |
| 1965 | 0.447858 |
| 1964 | 0.47048 |
| 1963 | 0.494565 |
| 1962 | 0.520373 |
| 1961 | 0.548003 |
| 1960 | 0.577104 |