| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 8.056 |
| 2020 | 7.456 |
| 2019 | 7.29 |
| 2018 | 7.305 |
| 2017 | 7.294 |
| 2016 | 7.34 |
| 2015 | 7.361 |
| 2014 | 7.304 |
| 2013 | 7.399 |
| 2012 | 7.453 |
| 2011 | 7.428 |
| 2010 | 7.57 |
| 2009 | 7.718 |
| 2008 | 8.087 |
| 2007 | 8.457 |
| 2006 | 8.748 |
| 2005 | 9.147 |
| 2004 | 9.61 |
| 2003 | 9.995 |
| 2002 | 10.332 |
| 2001 | 10.587 |
| 2000 | 10.677 |
| 1999 | 10.697 |
| 1998 | 10.743 |
| 1997 | 10.65 |
| 1996 | 10.543 |
| 1995 | 10.387 |
| 1994 | 10.153 |
| 1993 | 10.036 |
| 1992 | 9.803 |
| 1991 | 9.527 |
| 1990 | 9.31 |
| 1989 | 9.162 |
| 1988 | 8.999 |
| 1987 | 8.849 |
| 1986 | 8.818 |
| 1985 | 8.751 |
| 1984 | 8.76 |
| 1983 | 8.793 |
| 1982 | 8.937 |
| 1981 | 9.001 |
| 1980 | 9.97 |
| 1979 | 10.395 |
| 1978 | 10.838 |
| 1977 | 11.197 |
| 1976 | 11.604 |
| 1975 | 11.832 |
| 1974 | 12.111 |
| 1973 | 12.328 |
| 1972 | 12.807 |
| 1971 | 13.317 |
| 1970 | 13.802 |
| 1969 | 14.197 |
| 1968 | 14.581 |
| 1967 | 14.951 |
| 1966 | 15.339 |
| 1965 | 15.733 |
| 1964 | 16.129 |
| 1963 | 16.644 |
| 1962 | 17.216 |
| 1961 | 17.869 |
| 1960 | 18.647 |