| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 56.169 |
| 2021 | 56.628 |
| 2020 | 57.077 |
| 2019 | 57.516 |
| 2018 | 57.945 |
| 2017 | 58.364 |
| 2016 | 58.772 |
| 2015 | 59.171 |
| 2014 | 59.568 |
| 2013 | 59.964 |
| 2012 | 60.358 |
| 2011 | 60.752 |
| 2010 | 61.144 |
| 2009 | 61.534 |
| 2008 | 61.923 |
| 2007 | 62.311 |
| 2006 | 62.697 |
| 2005 | 63.081 |
| 2004 | 63.404 |
| 2003 | 63.648 |
| 2002 | 63.891 |
| 2001 | 64.133 |
| 2000 | 64.374 |
| 1999 | 64.616 |
| 1998 | 64.856 |
| 1997 | 65.095 |
| 1996 | 65.333 |
| 1995 | 65.571 |
| 1994 | 65.808 |
| 1993 | 66.045 |
| 1992 | 66.28 |
| 1991 | 66.515 |
| 1990 | 66.748 |
| 1989 | 66.981 |
| 1988 | 67.213 |
| 1987 | 67.445 |
| 1986 | 67.675 |
| 1985 | 68.003 |
| 1984 | 68.445 |
| 1983 | 68.885 |
| 1982 | 69.32 |
| 1981 | 69.752 |
| 1980 | 70.181 |
| 1979 | 70.606 |
| 1978 | 71.028 |
| 1977 | 71.446 |
| 1976 | 71.86 |
| 1975 | 72.271 |
| 1974 | 72.863 |
| 1973 | 73.679 |
| 1972 | 74.478 |
| 1971 | 75.263 |
| 1970 | 76.031 |
| 1969 | 76.782 |
| 1968 | 77.516 |
| 1967 | 78.235 |
| 1966 | 78.936 |
| 1965 | 79.621 |
| 1964 | 80.288 |
| 1963 | 80.94 |
| 1962 | 81.533 |
| 1961 | 82.097 |
| 1960 | 82.648 |