| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 7.28183 |
| 2021 | 6.87561 |
| 2020 | 6.46487 |
| 2019 | 5.61196 |
| 2018 | 5.97704 |
| 2017 | 5.88747 |
| 2016 | 5.28654 |
| 2015 | 4.68746 |
| 2014 | 4.88102 |
| 2013 | 4.65045 |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | - |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | - |
| 1998 | - |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | 16.9764 |
| 1983 | 19.8306 |
| 1982 | 13.2829 |
| 1981 | 22.059 |
| 1980 | 15.6171 |
| 1979 | 39.7866 |
| 1978 | 18.8241 |
| 1977 | 14.1003 |
| 1976 | 16.9428 |
| 1975 | 20.3137 |
| 1974 | 24.5974 |
| 1973 | 19.5297 |
| 1972 | 20.479 |
| 1971 | 9.70216 |
| 1970 | 10.318 |
| 1969 | 10.1049 |
| 1968 | 9.82422 |
| 1967 | 9.30304 |
| 1966 | 9.31245 |
| 1965 | 8.29456 |
| 1964 | 8.72216 |
| 1963 | 8.37489 |
| 1962 | 7.80024 |
| 1961 | 8.64864 |
| 1960 | 8.40185 |