| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.90951 |
| 2021 | 1.94276 |
| 2020 | 2.0097 |
| 2019 | 1.97846 |
| 2018 | 2.03273 |
| 2017 | 2.17571 |
| 2016 | 2.20215 |
| 2015 | 2.20032 |
| 2014 | 2.29418 |
| 2013 | 2.40993 |
| 2012 | 2.52596 |
| 2011 | 2.65544 |
| 2010 | 2.81752 |
| 2009 | 2.96069 |
| 2008 | 2.97885 |
| 2007 | 2.96582 |
| 2006 | 2.97471 |
| 2005 | 2.97658 |
| 2004 | 2.98952 |
| 2003 | 2.96744 |
| 2002 | 3.03361 |
| 2001 | 3.02883 |
| 2000 | 2.91545 |
| 1999 | 2.80127 |
| 1998 | 2.68916 |
| 1997 | 2.67443 |
| 1996 | 2.70647 |
| 1995 | 2.80937 |
| 1994 | 2.87999 |
| 1993 | 2.94184 |
| 1992 | 3.03679 |
| 1991 | 3.21165 |
| 1990 | 3.40083 |
| 1989 | 3.46144 |
| 1988 | 3.50099 |
| 1987 | 3.5148 |
| 1986 | 3.57859 |
| 1985 | 3.6595 |
| 1984 | 3.71398 |
| 1983 | 3.70929 |
| 1982 | 3.65874 |
| 1981 | 3.63268 |
| 1980 | 3.56247 |
| 1979 | 3.47299 |
| 1978 | 3.43928 |
| 1977 | 3.3133 |
| 1976 | 3.24563 |
| 1975 | 3.33633 |
| 1974 | 3.41689 |
| 1973 | 3.48875 |
| 1972 | 3.50508 |
| 1971 | 3.64047 |
| 1970 | 3.85197 |
| 1969 | 3.93221 |
| 1968 | 3.96699 |
| 1967 | 3.98443 |
| 1966 | 4.01096 |
| 1965 | 4.00626 |
| 1964 | 3.94749 |
| 1963 | 3.91148 |
| 1962 | 3.85286 |
| 1961 | 3.74798 |
| 1960 | - |