| 年份 | 肯尼亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 4.84663 | 
| 2021 | 7.59049 | 
| 2020 | -0.272766 | 
| 2019 | 5.11416 | 
| 2018 | 5.64795 | 
| 2017 | 3.83796 | 
| 2016 | 4.21352 | 
| 2015 | 4.96772 | 
| 2014 | 5.02011 | 
| 2013 | 3.79785 | 
| 2012 | 4.56868 | 
| 2011 | 5.12111 | 
| 2010 | 8.05847 | 
| 2009 | 3.30694 | 
| 2008 | 0.232283 | 
| 2007 | 6.85073 | 
| 2006 | 6.47249 | 
| 2005 | 5.90667 | 
| 2004 | 5.1043 | 
| 2003 | 2.93248 | 
| 2002 | 0.54686 | 
| 2001 | 3.77991 | 
| 2000 | 0.599695 | 
| 1999 | 2.30539 | 
| 1998 | 3.29021 | 
| 1997 | 0.474902 | 
| 1996 | 4.14684 | 
| 1995 | 4.40622 | 
| 1994 | 2.63278 | 
| 1993 | 0.353197 | 
| 1992 | -0.799494 | 
| 1991 | 1.43835 | 
| 1990 | 4.19205 | 
| 1989 | 4.69035 | 
| 1988 | 6.20318 | 
| 1987 | 5.93711 | 
| 1986 | 7.17756 | 
| 1985 | 4.30056 | 
| 1984 | 1.75522 | 
| 1983 | 1.30905 | 
| 1982 | 1.50648 | 
| 1981 | 3.77354 | 
| 1980 | 5.59198 | 
| 1979 | 7.61523 | 
| 1978 | 6.91249 | 
| 1977 | 9.4538 | 
| 1976 | 2.15396 | 
| 1975 | 0.882203 | 
| 1974 | 4.06562 | 
| 1973 | 5.89658 | 
| 1972 | 17.0824 | 
| 1971 | 22.1739 | 
| 1970 | -4.65545 | 
| 1969 | 7.95922 | 
| 1968 | 7.98269 | 
| 1967 | 3.36123 | 
| 1966 | 14.7286 | 
| 1965 | 2.00909 | 
| 1964 | 4.96447 | 
| 1963 | 8.77834 | 
| 1962 | 9.45736 | 
| 1961 | -7.77463 | 
| 1960 | - |