| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 2.35092 |
| 2021 | 2.3002 |
| 2020 | 2.24077 |
| 2019 | 2.17628 |
| 2018 | 2.10279 |
| 2017 | 2.02642 |
| 2016 | 1.9559 |
| 2015 | 1.88113 |
| 2014 | 1.79875 |
| 2013 | 1.71362 |
| 2012 | 1.62704 |
| 2011 | 1.54175 |
| 2010 | 1.46286 |
| 2009 | 1.43547 |
| 2008 | 1.45801 |
| 2007 | 1.48503 |
| 2006 | 1.51576 |
| 2005 | 1.55051 |
| 2004 | 1.53496 |
| 2003 | 1.46651 |
| 2002 | 1.40426 |
| 2001 | 1.35262 |
| 2000 | 1.31044 |
| 1999 | 1.28021 |
| 1998 | 1.26511 |
| 1997 | 1.26371 |
| 1996 | 1.27448 |
| 1995 | 1.29692 |
| 1994 | 1.32914 |
| 1993 | 1.36804 |
| 1992 | 1.4078 |
| 1991 | 1.44352 |
| 1990 | 1.47546 |
| 1989 | 1.50363 |
| 1988 | 1.52735 |
| 1987 | 1.54798 |
| 1986 | 1.56627 |
| 1985 | 1.58209 |
| 1984 | 1.59781 |
| 1983 | 1.61726 |
| 1982 | 1.64113 |
| 1981 | 1.66546 |
| 1980 | 1.68832 |
| 1979 | 1.71176 |
| 1978 | 1.7369 |
| 1977 | 1.76116 |
| 1976 | 1.78111 |
| 1975 | 1.79799 |
| 1974 | 1.8147 |
| 1973 | 1.83217 |
| 1972 | 1.84826 |
| 1971 | 1.85828 |
| 1970 | 1.86356 |
| 1969 | 1.86729 |
| 1968 | 1.86272 |
| 1967 | 1.85159 |
| 1966 | 1.84977 |
| 1965 | 1.8583 |
| 1964 | 1.8694 |
| 1963 | 1.88819 |
| 1962 | 1.91996 |
| 1961 | 1.95898 |
| 1960 | 1.99578 |