| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 4.78387 |
| 2021 | 4.77301 |
| 2020 | 4.75594 |
| 2019 | 4.7367 |
| 2018 | 4.71852 |
| 2017 | 4.69439 |
| 2016 | 4.66363 |
| 2015 | 4.63131 |
| 2014 | 4.59643 |
| 2013 | 4.56215 |
| 2012 | 4.54113 |
| 2011 | 4.53389 |
| 2010 | 4.534 |
| 2009 | 4.5429 |
| 2008 | 4.55481 |
| 2007 | 4.56409 |
| 2006 | 4.57352 |
| 2005 | 4.58795 |
| 2004 | 4.6098 |
| 2003 | 4.63853 |
| 2002 | 4.67337 |
| 2001 | 4.71243 |
| 2000 | 4.7544 |
| 1999 | 4.79992 |
| 1998 | 4.84881 |
| 1997 | 4.90003 |
| 1996 | 4.95389 |
| 1995 | 5.00969 |
| 1994 | 5.06825 |
| 1993 | 5.12834 |
| 1992 | 5.1579 |
| 1991 | 5.15482 |
| 1990 | 5.18984 |
| 1989 | 5.21537 |
| 1988 | 5.16906 |
| 1987 | 5.08379 |
| 1986 | 4.96705 |
| 1985 | 4.82553 |
| 1984 | 4.71162 |
| 1983 | 4.65184 |
| 1982 | 4.60953 |
| 1981 | 4.58089 |
| 1980 | 4.58114 |
| 1979 | 4.60735 |
| 1978 | 4.66279 |
| 1977 | 4.74218 |
| 1976 | 4.81764 |
| 1975 | 4.87275 |
| 1974 | 4.90654 |
| 1973 | 4.91515 |
| 1972 | 4.90395 |
| 1971 | 4.89828 |
| 1970 | 4.91546 |
| 1969 | 4.94875 |
| 1968 | 4.994 |
| 1967 | 5.05239 |
| 1966 | 5.11202 |
| 1965 | 5.16533 |
| 1964 | 5.21466 |
| 1963 | 5.25971 |
| 1962 | 5.29961 |
| 1961 | 5.3406 |
| 1960 | 5.38667 |