| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 3.06938 |
| 2021 | 3.14624 |
| 2020 | 3.4182 |
| 2019 | 3.63316 |
| 2018 | 3.61306 |
| 2017 | 3.91978 |
| 2016 | 3.77095 |
| 2015 | 3.35915 |
| 2014 | 3.4921 |
| 2013 | 3.25939 |
| 2012 | 1.81282 |
| 2011 | 1.56901 |
| 2010 | 2.49721 |
| 2009 | 2.46112 |
| 2008 | 2.89679 |
| 2007 | 3.04199 |
| 2006 | 2.98984 |
| 2005 | 3.40032 |
| 2004 | 3.61359 |
| 2003 | 3.62261 |
| 2002 | 3.68355 |
| 2001 | 3.92674 |
| 2000 | 3.9405 |
| 1999 | 3.98581 |
| 1998 | 4.08575 |
| 1997 | 3.44437 |
| 1996 | 3.5625 |
| 1995 | 3.54432 |
| 1994 | 4.99493 |
| 1993 | 2.95201 |
| 1992 | -4.62912 |
| 1991 | -3.88045 |
| 1990 | -0.517042 |
| 1989 | -1.76229 |
| 1988 | 0.0343193 |
| 1987 | 3.54672 |
| 1986 | 4.10631 |
| 1985 | 4.02553 |
| 1984 | 3.62117 |
| 1983 | 3.15394 |
| 1982 | 0.283795 |
| 1981 | 0.722307 |
| 1980 | 8.56039 |
| 1979 | 12.407 |
| 1978 | 7.1167 |
| 1977 | 2.63529 |
| 1976 | 2.46425 |
| 1975 | 2.45319 |
| 1974 | 2.54027 |
| 1973 | 2.62254 |
| 1972 | 2.58089 |
| 1971 | 2.58423 |
| 1970 | 2.60564 |
| 1969 | 2.59467 |
| 1968 | 2.59889 |
| 1967 | 2.59405 |
| 1966 | 2.60001 |
| 1965 | 2.60441 |
| 1964 | 2.59076 |
| 1963 | 2.59094 |
| 1962 | 2.58589 |
| 1961 | 2.57665 |
| 1960 | - |