| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.19515 |
| 2021 | 1.24874 |
| 2020 | 1.33425 |
| 2019 | 1.32262 |
| 2018 | 1.39342 |
| 2017 | 1.55534 |
| 2016 | 1.59905 |
| 2015 | 1.61422 |
| 2014 | 1.72479 |
| 2013 | 1.85566 |
| 2012 | 1.98921 |
| 2011 | 2.13333 |
| 2010 | 2.31115 |
| 2009 | 2.46334 |
| 2008 | 2.48782 |
| 2007 | 2.48362 |
| 2006 | 2.5012 |
| 2005 | 2.51166 |
| 2004 | 2.53054 |
| 2003 | 2.51686 |
| 2002 | 2.59131 |
| 2001 | 2.59472 |
| 2000 | 2.48943 |
| 1999 | 2.39439 |
| 1998 | 2.28886 |
| 1997 | 2.28187 |
| 1996 | 2.31912 |
| 1995 | 2.4296 |
| 1994 | 2.50651 |
| 1993 | 2.5746 |
| 1992 | 2.67572 |
| 1991 | 2.85668 |
| 1990 | 3.08542 |
| 1989 | 3.33938 |
| 1988 | 3.37908 |
| 1987 | 3.39423 |
| 1986 | 3.45817 |
| 1985 | 3.54042 |
| 1984 | 3.59504 |
| 1983 | 3.59167 |
| 1982 | 3.54127 |
| 1981 | 3.51653 |
| 1980 | 3.34711 |
| 1979 | 2.70056 |
| 1978 | 2.69954 |
| 1977 | 2.60674 |
| 1976 | 2.56699 |
| 1975 | 2.68965 |
| 1974 | 2.79817 |
| 1973 | 2.89749 |
| 1972 | 2.9386 |
| 1971 | 3.10058 |
| 1970 | 3.35713 |
| 1969 | 3.57235 |
| 1968 | 3.61832 |
| 1967 | 3.64686 |
| 1966 | 3.68547 |
| 1965 | 3.69273 |
| 1964 | 3.64254 |
| 1963 | 3.62482 |
| 1962 | 3.62649 |
| 1961 | 3.52861 |
| 1960 | - |