| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 12.0532 |
| 2021 | 12.096 |
| 2020 | 12.1256 |
| 2019 | 12.144 |
| 2018 | 12.1757 |
| 2017 | 12.2332 |
| 2016 | 12.2929 |
| 2015 | 12.345 |
| 2014 | 12.3908 |
| 2013 | 12.4045 |
| 2012 | 12.3768 |
| 2011 | 12.3327 |
| 2010 | 12.2823 |
| 2009 | 12.2306 |
| 2008 | 12.1836 |
| 2007 | 12.1341 |
| 2006 | 12.0776 |
| 2005 | 12.0217 |
| 2004 | 11.968 |
| 2003 | 11.9226 |
| 2002 | 11.9011 |
| 2001 | 11.8966 |
| 2000 | 11.8954 |
| 1999 | 11.893 |
| 1998 | 11.8794 |
| 1997 | 11.8469 |
| 1996 | 11.8053 |
| 1995 | 11.7621 |
| 1994 | 11.7223 |
| 1993 | 11.6946 |
| 1992 | 11.6749 |
| 1991 | 11.6556 |
| 1990 | 11.6403 |
| 1989 | 11.6249 |
| 1988 | 11.5983 |
| 1987 | 11.5652 |
| 1986 | 11.5341 |
| 1985 | 11.4986 |
| 1984 | 11.4592 |
| 1983 | 11.4269 |
| 1982 | 11.4048 |
| 1981 | 11.3811 |
| 1980 | 11.352 |
| 1979 | 11.3213 |
| 1978 | 11.2852 |
| 1977 | 11.2327 |
| 1976 | 11.1687 |
| 1975 | 11.0986 |
| 1974 | 11.0136 |
| 1973 | 10.9167 |
| 1972 | 10.8187 |
| 1971 | 10.7209 |
| 1970 | 10.6216 |
| 1969 | 10.5228 |
| 1968 | 10.4197 |
| 1967 | 10.3189 |
| 1966 | 10.2306 |
| 1965 | 10.1549 |
| 1964 | 10.0484 |
| 1963 | 9.98666 |
| 1962 | 10.0952 |
| 1961 | 10.2895 |
| 1960 | 10.492 |