| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 57.8843 |
| 2021 | 57.4698 |
| 2020 | 57.0677 |
| 2019 | 56.6832 |
| 2018 | 56.2883 |
| 2017 | 55.8678 |
| 2016 | 55.4444 |
| 2015 | 55.0341 |
| 2014 | 54.642 |
| 2013 | 54.287 |
| 2012 | 54 |
| 2011 | 53.764 |
| 2010 | 53.5553 |
| 2009 | 53.3731 |
| 2008 | 53.2107 |
| 2007 | 53.0684 |
| 2006 | 52.9501 |
| 2005 | 52.8519 |
| 2004 | 52.7665 |
| 2003 | 52.7087 |
| 2002 | 52.6815 |
| 2001 | 52.6725 |
| 2000 | 52.6736 |
| 1999 | 52.7188 |
| 1998 | 52.7834 |
| 1997 | 52.821 |
| 1996 | 52.8589 |
| 1995 | 52.9015 |
| 1994 | 52.9445 |
| 1993 | 52.9879 |
| 1992 | 53.0305 |
| 1991 | 53.0694 |
| 1990 | 53.0993 |
| 1989 | 53.1261 |
| 1988 | 53.1664 |
| 1987 | 53.226 |
| 1986 | 53.2923 |
| 1985 | 53.3594 |
| 1984 | 53.427 |
| 1983 | 53.4935 |
| 1982 | 53.5554 |
| 1981 | 53.6173 |
| 1980 | 53.6849 |
| 1979 | 53.7593 |
| 1978 | 53.8481 |
| 1977 | 53.9548 |
| 1976 | 54.0766 |
| 1975 | 54.2178 |
| 1974 | 54.3829 |
| 1973 | 54.562 |
| 1972 | 54.7522 |
| 1971 | 54.9603 |
| 1970 | 55.1855 |
| 1969 | 55.431 |
| 1968 | 55.7034 |
| 1967 | 55.9968 |
| 1966 | 56.2958 |
| 1965 | 56.5969 |
| 1964 | 56.954 |
| 1963 | 57.3037 |
| 1962 | 57.4928 |
| 1961 | 57.582 |
| 1960 | 57.658 |