| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 49.8915 |
| 2021 | 49.8988 |
| 2020 | 49.9055 |
| 2019 | 49.9125 |
| 2018 | 49.9198 |
| 2017 | 49.9286 |
| 2016 | 49.9396 |
| 2015 | 49.9516 |
| 2014 | 49.9658 |
| 2013 | 49.9817 |
| 2012 | 49.9996 |
| 2011 | 50.02 |
| 2010 | 50.0423 |
| 2009 | 50.0667 |
| 2008 | 50.0935 |
| 2007 | 50.1229 |
| 2006 | 50.157 |
| 2005 | 50.1931 |
| 2004 | 50.228 |
| 2003 | 50.2615 |
| 2002 | 50.2941 |
| 2001 | 50.3241 |
| 2000 | 50.3524 |
| 1999 | 50.3403 |
| 1998 | 50.3097 |
| 1997 | 50.3152 |
| 1996 | 50.3351 |
| 1995 | 50.3484 |
| 1994 | 50.3579 |
| 1993 | 50.3739 |
| 1992 | 50.3918 |
| 1991 | 50.4106 |
| 1990 | 50.4323 |
| 1989 | 50.4571 |
| 1988 | 50.4812 |
| 1987 | 50.5049 |
| 1986 | 50.5276 |
| 1985 | 50.5485 |
| 1984 | 50.5692 |
| 1983 | 50.5891 |
| 1982 | 50.6076 |
| 1981 | 50.6255 |
| 1980 | 50.6433 |
| 1979 | 50.6613 |
| 1978 | 50.6785 |
| 1977 | 50.6958 |
| 1976 | 50.7137 |
| 1975 | 50.732 |
| 1974 | 50.7511 |
| 1973 | 50.7706 |
| 1972 | 50.7896 |
| 1971 | 50.8079 |
| 1970 | 50.8262 |
| 1969 | 50.8419 |
| 1968 | 50.856 |
| 1967 | 50.8707 |
| 1966 | 50.8837 |
| 1965 | 50.8947 |
| 1964 | 50.9051 |
| 1963 | 50.9155 |
| 1962 | 50.9263 |
| 1961 | 50.9373 |
| 1960 | 50.9496 |