| 年份 | 肯尼亚 |
|---|---|
| 2023 | - |
| 2022 | 1.0012 |
| 2021 | 1.07092 |
| 2020 | 1.10833 |
| 2019 | 1.11257 |
| 2018 | 1.20739 |
| 2017 | 1.23759 |
| 2016 | 1.24731 |
| 2015 | 1.20317 |
| 2014 | 1.19943 |
| 2013 | 1.3954 |
| 2012 | 1.48958 |
| 2011 | 1.37974 |
| 2010 | 1.36999 |
| 2009 | 1.36508 |
| 2008 | 1.61585 |
| 2007 | 1.54791 |
| 2006 | 1.45518 |
| 2005 | 1.69059 |
| 2004 | 1.61419 |
| 2003 | 1.6501 |
| 2002 | 1.63241 |
| 2001 | 1.50475 |
| 2000 | 1.31374 |
| 1999 | 1.18697 |
| 1998 | 1.22012 |
| 1997 | 1.34064 |
| 1996 | 1.41795 |
| 1995 | 1.64672 |
| 1994 | 1.64125 |
| 1993 | 1.83774 |
| 1992 | 1.90075 |
| 1991 | 2.35426 |
| 1990 | 2.88822 |
| 1989 | 2.74085 |
| 1988 | 2.94555 |
| 1987 | 3.13374 |
| 1986 | 2.50358 |
| 1985 | 2.37576 |
| 1984 | 3.47691 |
| 1983 | 4.19523 |
| 1982 | 4.57278 |
| 1981 | 4.22532 |
| 1980 | 4.51532 |
| 1979 | 5.50161 |
| 1978 | 5.19929 |
| 1977 | 3.74018 |
| 1976 | 2.48474 |
| 1975 | 1.8789 |
| 1974 | 1.777 |
| 1973 | 1.65928 |
| 1972 | 1.54181 |
| 1971 | 1.22772 |
| 1970 | 1.05748 |
| 1969 | 1.08007 |
| 1968 | 1.21834 |
| 1967 | 1.30499 |
| 1966 | 1.13327 |
| 1965 | 0.990335 |
| 1964 | 0.589888 |
| 1963 | 0.20649 |
| 1962 | - |
| 1961 | - |
| 1960 | - |