| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 43.831 |
| 2021 | 43.372 |
| 2020 | 42.923 |
| 2019 | 42.484 |
| 2018 | 42.055 |
| 2017 | 41.636 |
| 2016 | 41.228 |
| 2015 | 40.829 |
| 2014 | 40.432 |
| 2013 | 40.036 |
| 2012 | 39.642 |
| 2011 | 39.248 |
| 2010 | 38.856 |
| 2009 | 38.466 |
| 2008 | 38.077 |
| 2007 | 37.689 |
| 2006 | 37.303 |
| 2005 | 36.919 |
| 2004 | 36.596 |
| 2003 | 36.352 |
| 2002 | 36.109 |
| 2001 | 35.867 |
| 2000 | 35.626 |
| 1999 | 35.384 |
| 1998 | 35.144 |
| 1997 | 34.905 |
| 1996 | 34.667 |
| 1995 | 34.429 |
| 1994 | 34.192 |
| 1993 | 33.955 |
| 1992 | 33.72 |
| 1991 | 33.485 |
| 1990 | 33.252 |
| 1989 | 33.019 |
| 1988 | 32.787 |
| 1987 | 32.555 |
| 1986 | 32.325 |
| 1985 | 31.997 |
| 1984 | 31.555 |
| 1983 | 31.115 |
| 1982 | 30.68 |
| 1981 | 30.248 |
| 1980 | 29.819 |
| 1979 | 29.394 |
| 1978 | 28.972 |
| 1977 | 28.554 |
| 1976 | 28.14 |
| 1975 | 27.729 |
| 1974 | 27.137 |
| 1973 | 26.321 |
| 1972 | 25.522 |
| 1971 | 24.737 |
| 1970 | 23.969 |
| 1969 | 23.218 |
| 1968 | 22.484 |
| 1967 | 21.765 |
| 1966 | 21.064 |
| 1965 | 20.379 |
| 1964 | 19.712 |
| 1963 | 19.06 |
| 1962 | 18.467 |
| 1961 | 17.903 |
| 1960 | 17.352 |