| 年份 | 索马里 |
|---|---|
| 2023 | - |
| 2022 | 4.8661 |
| 2021 | 4.85752 |
| 2020 | 4.83972 |
| 2019 | 4.81762 |
| 2018 | 4.79562 |
| 2017 | 4.7678 |
| 2016 | 4.73425 |
| 2015 | 4.70068 |
| 2014 | 4.66616 |
| 2013 | 4.6339 |
| 2012 | 4.61748 |
| 2011 | 4.61827 |
| 2010 | 4.62994 |
| 2009 | 4.65508 |
| 2008 | 4.68735 |
| 2007 | 4.71761 |
| 2006 | 4.74652 |
| 2005 | 4.77688 |
| 2004 | 4.80955 |
| 2003 | 4.8442 |
| 2002 | 4.88141 |
| 2001 | 4.92022 |
| 2000 | 4.96034 |
| 1999 | 5.00285 |
| 1998 | 5.04766 |
| 1997 | 5.09365 |
| 1996 | 5.14115 |
| 1995 | 5.19026 |
| 1994 | 5.24201 |
| 1993 | 5.29541 |
| 1992 | 5.31167 |
| 1991 | 5.2845 |
| 1990 | 5.29664 |
| 1989 | 5.30412 |
| 1988 | 5.24306 |
| 1987 | 5.15325 |
| 1986 | 5.04085 |
| 1985 | 4.90666 |
| 1984 | 4.80316 |
| 1983 | 4.75206 |
| 1982 | 4.72134 |
| 1981 | 4.71209 |
| 1980 | 4.73145 |
| 1979 | 4.77401 |
| 1978 | 4.84532 |
| 1977 | 4.93853 |
| 1976 | 5.0161 |
| 1975 | 5.0552 |
| 1974 | 5.05546 |
| 1973 | 5.01045 |
| 1972 | 4.93093 |
| 1971 | 4.8624 |
| 1970 | 4.83343 |
| 1969 | 4.83764 |
| 1968 | 4.87222 |
| 1967 | 4.93544 |
| 1966 | 5.00309 |
| 1965 | 5.06265 |
| 1964 | 5.11881 |
| 1963 | 5.1723 |
| 1962 | 5.22104 |
| 1961 | 5.26936 |
| 1960 | 5.32026 |