| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.0462269 |
| 2020 | 0.0446329 |
| 2019 | 0.0430389 |
| 2018 | 0.0414448 |
| 2017 | 0.0414448 |
| 2016 | 0.0414448 |
| 2015 | 0.0414448 |
| 2014 | 0.0414448 |
| 2013 | 0.0414448 |
| 2012 | 0.0414448 |
| 2011 | 0.0414448 |
| 2010 | 0.0414448 |
| 2009 | 0.0414448 |
| 2008 | 0.0414448 |
| 2007 | 0.0414448 |
| 2006 | 0.0414448 |
| 2005 | 0.0414448 |
| 2004 | 0.0430389 |
| 2003 | 0.0414448 |
| 2002 | 0.0414448 |
| 2001 | 0.0414448 |
| 2000 | 0.0382568 |
| 1999 | 0.0382568 |
| 1998 | 0.0382568 |
| 1997 | 0.0366627 |
| 1996 | 0.0350687 |
| 1995 | 0.0334747 |
| 1994 | 0.0318806 |
| 1993 | 0.0318806 |
| 1992 | 0.0318806 |
| 1991 | 0.0318806 |
| 1990 | 0.0318806 |
| 1989 | 0.0302866 |
| 1988 | 0.0286926 |
| 1987 | 0.0270985 |
| 1986 | 0.0255045 |
| 1985 | 0.0255045 |
| 1984 | 0.0255045 |
| 1983 | 0.0255045 |
| 1982 | 0.0255045 |
| 1981 | 0.0255045 |
| 1980 | 0.0255045 |
| 1979 | 0.0255045 |
| 1978 | 0.0255045 |
| 1977 | 0.0255045 |
| 1976 | 0.0239105 |
| 1975 | 0.0239105 |
| 1974 | 0.0239105 |
| 1973 | 0.0223164 |
| 1972 | 0.0223164 |
| 1971 | 0.0223164 |
| 1970 | 0.0223164 |
| 1969 | 0.0223164 |
| 1968 | 0.0223164 |
| 1967 | 0.0223164 |
| 1966 | 0.0223164 |
| 1965 | 0.0223164 |
| 1964 | 0.0223164 |
| 1963 | 0.0223164 |
| 1962 | 0.0223164 |
| 1961 | 0.0223164 |
| 1960 | - |