| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 5.11287 |
| 2021 | 5.17754 |
| 2020 | 5.22704 |
| 2019 | 5.22111 |
| 2018 | 5.17354 |
| 2017 | 5.12244 |
| 2016 | 5.06711 |
| 2015 | 5.00095 |
| 2014 | 4.95321 |
| 2013 | 4.94451 |
| 2012 | 4.95069 |
| 2011 | 4.97094 |
| 2010 | 5.00934 |
| 2009 | 5.05414 |
| 2008 | 5.10256 |
| 2007 | 5.14524 |
| 2006 | 5.16498 |
| 2005 | 5.17114 |
| 2004 | 5.18092 |
| 2003 | 5.18913 |
| 2002 | 5.19164 |
| 2001 | 5.19833 |
| 2000 | 5.21649 |
| 1999 | 5.24406 |
| 1998 | 5.27864 |
| 1997 | 5.32097 |
| 1996 | 5.36245 |
| 1995 | 5.39435 |
| 1994 | 5.4222 |
| 1993 | 5.44324 |
| 1992 | 5.59279 |
| 1991 | 5.9044 |
| 1990 | 6.08226 |
| 1989 | 6.11643 |
| 1988 | 6.16245 |
| 1987 | 6.20635 |
| 1986 | 6.23492 |
| 1985 | 6.26319 |
| 1984 | 6.29015 |
| 1983 | 6.31578 |
| 1982 | 6.33958 |
| 1981 | 6.35949 |
| 1980 | 6.37581 |
| 1979 | 6.38725 |
| 1978 | 6.39379 |
| 1977 | 6.3982 |
| 1976 | 6.40764 |
| 1975 | 6.42602 |
| 1974 | 6.44852 |
| 1973 | 6.45996 |
| 1972 | 6.45789 |
| 1971 | 6.45237 |
| 1970 | 6.44497 |
| 1969 | 6.43722 |
| 1968 | 6.42679 |
| 1967 | 6.41424 |
| 1966 | 6.39917 |
| 1965 | 6.38192 |
| 1964 | 6.34875 |
| 1963 | 6.2903 |
| 1962 | 6.2182 |
| 1961 | 6.13513 |
| 1960 | 6.03727 |