| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 12.8034 |
| 2021 | 12.769 |
| 2020 | 12.7559 |
| 2019 | 12.7695 |
| 2018 | 12.7906 |
| 2017 | 12.812 |
| 2016 | 12.8366 |
| 2015 | 12.8626 |
| 2014 | 12.888 |
| 2013 | 12.9093 |
| 2012 | 12.9252 |
| 2011 | 12.9253 |
| 2010 | 12.9101 |
| 2009 | 12.8952 |
| 2008 | 12.878 |
| 2007 | 12.751 |
| 2006 | 12.4141 |
| 2005 | 11.9954 |
| 2004 | 11.6699 |
| 2003 | 11.4658 |
| 2002 | 11.4513 |
| 2001 | 11.7204 |
| 2000 | 12.1127 |
| 1999 | 12.3949 |
| 1998 | 12.5307 |
| 1997 | 12.5849 |
| 1996 | 12.601 |
| 1995 | 12.5917 |
| 1994 | 12.5661 |
| 1993 | 12.5393 |
| 1992 | 12.4024 |
| 1991 | 12.1254 |
| 1990 | 11.9218 |
| 1989 | 11.8033 |
| 1988 | 11.6943 |
| 1987 | 11.6348 |
| 1986 | 11.6283 |
| 1985 | 11.6529 |
| 1984 | 11.7038 |
| 1983 | 11.7633 |
| 1982 | 11.8143 |
| 1981 | 11.8594 |
| 1980 | 11.9 |
| 1979 | 11.9361 |
| 1978 | 11.9708 |
| 1977 | 12.0042 |
| 1976 | 12.0284 |
| 1975 | 12.0451 |
| 1974 | 12.0602 |
| 1973 | 12.0828 |
| 1972 | 12.1139 |
| 1971 | 12.1473 |
| 1970 | 12.1835 |
| 1969 | 12.2233 |
| 1968 | 12.268 |
| 1967 | 12.3185 |
| 1966 | 12.376 |
| 1965 | 12.4396 |
| 1964 | 12.4023 |
| 1963 | 12.2132 |
| 1962 | 11.9584 |
| 1961 | 11.6503 |
| 1960 | 11.2781 |