| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 60.5421 |
| 2020 | 60.411 |
| 2019 | 61.9407 |
| 2018 | 61.4479 |
| 2017 | 58.907 |
| 2016 | 58.6517 |
| 2015 | 56.3474 |
| 2014 | 54.984 |
| 2013 | 55.0176 |
| 2012 | 53.5384 |
| 2011 | 52.1643 |
| 2010 | 50.6909 |
| 2009 | 48.9376 |
| 2008 | 47.1679 |
| 2007 | 45.2584 |
| 2006 | 43.4208 |
| 2005 | 41.8719 |
| 2004 | 41.125 |
| 2003 | 40.5126 |
| 2002 | 39.7821 |
| 2001 | 39.1396 |
| 2000 | 38.3433 |
| 1999 | 37.3452 |
| 1998 | 36.6533 |
| 1997 | 37.1851 |
| 1996 | 37.2956 |
| 1995 | 36.6896 |
| 1994 | 36.8637 |
| 1993 | 37.9379 |
| 1992 | 38.2144 |
| 1991 | 38.1039 |
| 1990 | 38.9433 |
| 1989 | 39.07 |
| 1988 | 39.3963 |
| 1987 | 39.614 |
| 1986 | 39.5281 |
| 1985 | 39.9808 |
| 1984 | 40.2245 |
| 1983 | 40.3436 |
| 1982 | 40.1715 |
| 1981 | 40.0348 |
| 1980 | 39.8129 |
| 1979 | 39.5667 |
| 1978 | 39.0922 |
| 1977 | 38.5118 |
| 1976 | 37.9375 |
| 1975 | 37.2844 |
| 1974 | 36.6659 |
| 1973 | 36.0262 |
| 1972 | 35.5369 |
| 1971 | 34.9061 |
| 1970 | 34.34 |
| 1969 | 33.8356 |
| 1968 | 33.3472 |
| 1967 | 32.9912 |
| 1966 | 32.3827 |
| 1965 | 31.8212 |
| 1964 | 31.2324 |
| 1963 | 30.6008 |
| 1962 | 30.008 |
| 1961 | 29.491 |
| 1960 | 28.899 |