| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.80386 |
| 2021 | 1.75538 |
| 2020 | 1.70208 |
| 2019 | 1.64496 |
| 2018 | 1.57663 |
| 2017 | 1.49844 |
| 2016 | 1.4214 |
| 2015 | 1.34664 |
| 2014 | 1.28845 |
| 2013 | 1.24888 |
| 2012 | 1.21399 |
| 2011 | 1.1856 |
| 2010 | 1.17214 |
| 2009 | 1.16371 |
| 2008 | 1.15442 |
| 2007 | 1.15868 |
| 2006 | 1.17716 |
| 2005 | 1.20449 |
| 2004 | 1.24116 |
| 2003 | 1.28721 |
| 2002 | 1.3374 |
| 2001 | 1.38668 |
| 2000 | 1.43142 |
| 1999 | 1.46998 |
| 1998 | 1.50149 |
| 1997 | 1.52231 |
| 1996 | 1.53014 |
| 1995 | 1.52823 |
| 1994 | 1.51922 |
| 1993 | 1.50204 |
| 1992 | 1.47757 |
| 1991 | 1.44702 |
| 1990 | 1.41356 |
| 1989 | 1.38299 |
| 1988 | 1.36024 |
| 1987 | 1.34712 |
| 1986 | 1.34035 |
| 1985 | 1.33626 |
| 1984 | 1.33251 |
| 1983 | 1.32651 |
| 1982 | 1.3148 |
| 1981 | 1.29682 |
| 1980 | 1.27907 |
| 1979 | 1.26395 |
| 1978 | 1.25021 |
| 1977 | 1.24 |
| 1976 | 1.23054 |
| 1975 | 1.22074 |
| 1974 | 1.21053 |
| 1973 | 1.19443 |
| 1972 | 1.17194 |
| 1971 | 1.15045 |
| 1970 | 1.13403 |
| 1969 | 1.12193 |
| 1968 | 1.11672 |
| 1967 | 1.12331 |
| 1966 | 1.14216 |
| 1965 | 1.1676 |
| 1964 | 1.19365 |
| 1963 | 1.21906 |
| 1962 | 1.23757 |
| 1961 | 1.24227 |
| 1960 | 1.23816 |