| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 9.09243 |
| 2021 | 9.0751 |
| 2020 | 9.05293 |
| 2019 | 9.03524 |
| 2018 | 9.02396 |
| 2017 | 8.94093 |
| 2016 | 8.71269 |
| 2015 | 8.4247 |
| 2014 | 8.20254 |
| 2013 | 8.0593 |
| 2012 | 8.04374 |
| 2011 | 8.23215 |
| 2010 | 8.49625 |
| 2009 | 8.67333 |
| 2008 | 8.74618 |
| 2007 | 8.76594 |
| 2006 | 8.76577 |
| 2005 | 8.7526 |
| 2004 | 8.73115 |
| 2003 | 8.70745 |
| 2002 | 8.67123 |
| 2001 | 8.62033 |
| 2000 | 8.56536 |
| 1999 | 8.50738 |
| 1998 | 8.45315 |
| 1997 | 8.42428 |
| 1996 | 8.42373 |
| 1995 | 8.44022 |
| 1994 | 8.47206 |
| 1993 | 8.50894 |
| 1992 | 8.47 |
| 1991 | 8.35844 |
| 1990 | 8.34401 |
| 1989 | 8.42331 |
| 1988 | 8.51912 |
| 1987 | 8.59862 |
| 1986 | 8.65431 |
| 1985 | 8.71007 |
| 1984 | 8.76711 |
| 1983 | 8.82522 |
| 1982 | 8.88268 |
| 1981 | 8.94203 |
| 1980 | 8.99859 |
| 1979 | 9.05018 |
| 1978 | 9.10326 |
| 1977 | 9.15893 |
| 1976 | 9.20909 |
| 1975 | 9.25486 |
| 1974 | 9.22167 |
| 1973 | 9.07014 |
| 1972 | 8.87071 |
| 1971 | 8.63416 |
| 1970 | 8.34303 |
| 1969 | 8.09517 |
| 1968 | 7.95548 |
| 1967 | 7.85112 |
| 1966 | 7.76912 |
| 1965 | 7.73733 |
| 1964 | 7.75968 |
| 1963 | 7.84235 |
| 1962 | 7.96598 |
| 1961 | 8.0892 |
| 1960 | 8.18559 |