| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 8.97611 |
| 2021 | 8.95819 |
| 2020 | 8.9358 |
| 2019 | 8.91819 |
| 2018 | 8.90478 |
| 2017 | 8.821 |
| 2016 | 8.59385 |
| 2015 | 8.30246 |
| 2014 | 8.07176 |
| 2013 | 7.92062 |
| 2012 | 7.8959 |
| 2011 | 8.07543 |
| 2010 | 8.33948 |
| 2009 | 8.52573 |
| 2008 | 8.61114 |
| 2007 | 8.6393 |
| 2006 | 8.64211 |
| 2005 | 8.62846 |
| 2004 | 8.60477 |
| 2003 | 8.5786 |
| 2002 | 8.5417 |
| 2001 | 8.49272 |
| 2000 | 8.44175 |
| 1999 | 8.38922 |
| 1998 | 8.34203 |
| 1997 | 8.32293 |
| 1996 | 8.33594 |
| 1995 | 8.37125 |
| 1994 | 8.42923 |
| 1993 | 8.49718 |
| 1992 | 8.48848 |
| 1991 | 8.38859 |
| 1990 | 8.36174 |
| 1989 | 8.41384 |
| 1988 | 8.4646 |
| 1987 | 8.51478 |
| 1986 | 8.56793 |
| 1985 | 8.62132 |
| 1984 | 8.67603 |
| 1983 | 8.73179 |
| 1982 | 8.78714 |
| 1981 | 8.84466 |
| 1980 | 8.89981 |
| 1979 | 8.95029 |
| 1978 | 9.00114 |
| 1977 | 9.05442 |
| 1976 | 9.10362 |
| 1975 | 9.14861 |
| 1974 | 9.11568 |
| 1973 | 8.97572 |
| 1972 | 8.79232 |
| 1971 | 8.56812 |
| 1970 | 8.29532 |
| 1969 | 8.07106 |
| 1968 | 7.94817 |
| 1967 | 7.86304 |
| 1966 | 7.81281 |
| 1965 | 7.81268 |
| 1964 | 7.86293 |
| 1963 | 7.97188 |
| 1962 | 8.11567 |
| 1961 | 8.23878 |
| 1960 | 8.30599 |