| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 13.0671 |
| 2021 | 13.0346 |
| 2020 | 13.0264 |
| 2019 | 13.0425 |
| 2018 | 13.0657 |
| 2017 | 13.0914 |
| 2016 | 13.1199 |
| 2015 | 13.1505 |
| 2014 | 13.1828 |
| 2013 | 13.2124 |
| 2012 | 13.2361 |
| 2011 | 13.2448 |
| 2010 | 13.2377 |
| 2009 | 13.2288 |
| 2008 | 13.2179 |
| 2007 | 13.09 |
| 2006 | 12.7447 |
| 2005 | 12.3242 |
| 2004 | 12.0078 |
| 2003 | 11.8156 |
| 2002 | 11.8181 |
| 2001 | 12.1068 |
| 2000 | 12.5059 |
| 1999 | 12.7807 |
| 1998 | 12.9044 |
| 1997 | 12.9502 |
| 1996 | 12.9647 |
| 1995 | 12.9592 |
| 1994 | 12.9409 |
| 1993 | 12.9225 |
| 1992 | 12.7799 |
| 1991 | 12.4704 |
| 1990 | 12.2305 |
| 1989 | 12.0804 |
| 1988 | 11.933 |
| 1987 | 11.8534 |
| 1986 | 11.8508 |
| 1985 | 11.879 |
| 1984 | 11.9328 |
| 1983 | 11.9937 |
| 1982 | 12.0452 |
| 1981 | 12.0906 |
| 1980 | 12.1321 |
| 1979 | 12.1698 |
| 1978 | 12.2053 |
| 1977 | 12.2393 |
| 1976 | 12.2649 |
| 1975 | 12.2826 |
| 1974 | 12.299 |
| 1973 | 12.3234 |
| 1972 | 12.3569 |
| 1971 | 12.3926 |
| 1970 | 12.4309 |
| 1969 | 12.4725 |
| 1968 | 12.5194 |
| 1967 | 12.5721 |
| 1966 | 12.6322 |
| 1965 | 12.6987 |
| 1964 | 12.6615 |
| 1963 | 12.4547 |
| 1962 | 12.1753 |
| 1961 | 11.8481 |
| 1960 | 11.4486 |