| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.335 |
| 2020 | 3.397 |
| 2019 | 3.469 |
| 2018 | 3.58 |
| 2017 | 3.643 |
| 2016 | 3.724 |
| 2015 | 3.8 |
| 2014 | 3.844 |
| 2013 | 3.952 |
| 2012 | 4.088 |
| 2011 | 4.219 |
| 2010 | 4.367 |
| 2009 | 4.514 |
| 2008 | 4.646 |
| 2007 | 4.719 |
| 2006 | 4.748 |
| 2005 | 4.784 |
| 2004 | 4.83 |
| 2003 | 4.907 |
| 2002 | 5.016 |
| 2001 | 5.091 |
| 2000 | 5.137 |
| 1999 | 5.181 |
| 1998 | 5.246 |
| 1997 | 5.26 |
| 1996 | 5.306 |
| 1995 | 5.366 |
| 1994 | 5.446 |
| 1993 | 5.574 |
| 1992 | 5.746 |
| 1991 | 5.935 |
| 1990 | 6.129 |
| 1989 | 6.323 |
| 1988 | 6.505 |
| 1987 | 6.682 |
| 1986 | 6.848 |
| 1985 | 6.975 |
| 1984 | 7.123 |
| 1983 | 7.263 |
| 1982 | 7.402 |
| 1981 | 7.513 |
| 1980 | 7.598 |
| 1979 | 7.679 |
| 1978 | 7.746 |
| 1977 | 7.803 |
| 1976 | 7.843 |
| 1975 | 7.877 |
| 1974 | 7.907 |
| 1973 | 7.939 |
| 1972 | 7.975 |
| 1971 | 8.003 |
| 1970 | 8.024 |
| 1969 | 8.031 |
| 1968 | 8.038 |
| 1967 | 8.046 |
| 1966 | 8.056 |
| 1965 | 8.028 |
| 1964 | 7.92 |
| 1963 | 7.864 |
| 1962 | 7.803 |
| 1961 | 7.718 |
| 1960 | 7.632 |