| 年份 | 埃塞俄比亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.02114 |
| 2020 | 2.02114 |
| 2019 | 1.77038 |
| 2018 | 1.52052 |
| 2017 | 1.39196 |
| 2016 | 1.31672 |
| 2015 | 1.24054 |
| 2014 | 1.16434 |
| 2013 | 1.0881 |
| 2012 | 1.01189 |
| 2011 | 1.00303 |
| 2010 | 0.990633 |
| 2009 | 0.918847 |
| 2008 | 0.803673 |
| 2007 | 0.920584 |
| 2006 | 0.729213 |
| 2005 | 0.680489 |
| 2004 | 0.653023 |
| 2003 | 0.679 |
| 2002 | 0.645 |
| 2001 | 0.697 |
| 2000 | 0.662 |
| 1999 | 0.676 |
| 1998 | 0.558 |
| 1997 | 0.592 |
| 1996 | 0.573 |
| 1995 | 0.56 |
| 1994 | 0.54 |
| 1993 | 0.54 |
| 1992 | 0.594914 |
| 1991 | 0.597638 |
| 1990 | 0.601272 |
| 1989 | 0.608538 |
| 1988 | 0.613079 |
| 1987 | 0.61762 |
| 1986 | 0.622162 |
| 1985 | 0.626703 |
| 1984 | 0.626703 |
| 1983 | 0.633969 |
| 1982 | 0.640327 |
| 1981 | 0.644868 |
| 1980 | 0.64941 |
| 1979 | 0.655768 |
| 1978 | 0.662125 |
| 1977 | 0.663034 |
| 1976 | 0.663034 |
| 1975 | 0.663034 |
| 1974 | 0.663034 |
| 1973 | 0.663034 |
| 1972 | 0.663034 |
| 1971 | 0.663034 |
| 1970 | 0.653951 |
| 1969 | 0.653951 |
| 1968 | 0.653951 |
| 1967 | 0.590372 |
| 1966 | 0.544959 |
| 1965 | 0.481381 |
| 1964 | 0.453224 |
| 1963 | 0.453224 |
| 1962 | 0.44505 |
| 1961 | 0.441417 |
| 1960 | - |