| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 27.685 |
| 2020 | 27.998 |
| 2019 | 28.46 |
| 2018 | 29.18 |
| 2017 | 29.755 |
| 2016 | 30.401 |
| 2015 | 30.957 |
| 2014 | 31.298 |
| 2013 | 32.127 |
| 2012 | 33.174 |
| 2011 | 34.24 |
| 2010 | 35.422 |
| 2009 | 36.563 |
| 2008 | 37.546 |
| 2007 | 38.098 |
| 2006 | 38.29 |
| 2005 | 38.502 |
| 2004 | 38.732 |
| 2003 | 39.045 |
| 2002 | 39.594 |
| 2001 | 39.983 |
| 2000 | 39.934 |
| 1999 | 39.987 |
| 1998 | 40.242 |
| 1997 | 40.075 |
| 1996 | 40.22 |
| 1995 | 40.428 |
| 1994 | 40.599 |
| 1993 | 41.064 |
| 1992 | 41.712 |
| 1991 | 42.541 |
| 1990 | 43.522 |
| 1989 | 44.538 |
| 1988 | 45.389 |
| 1987 | 46.191 |
| 1986 | 46.62 |
| 1985 | 46.886 |
| 1984 | 47.317 |
| 1983 | 47.532 |
| 1982 | 48.081 |
| 1981 | 48.52 |
| 1980 | 48.569 |
| 1979 | 48.95 |
| 1978 | 49.188 |
| 1977 | 49.425 |
| 1976 | 49.778 |
| 1975 | 50.031 |
| 1974 | 50.436 |
| 1973 | 51.018 |
| 1972 | 51.735 |
| 1971 | 52.41 |
| 1970 | 52.749 |
| 1969 | 53.367 |
| 1968 | 53.842 |
| 1967 | 54.369 |
| 1966 | 54.922 |
| 1965 | 55.294 |
| 1964 | 55.229 |
| 1963 | 55.453 |
| 1962 | 55.581 |
| 1961 | 55.45 |
| 1960 | 55.169 |