| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | 31.8782 |
| 2021 | 16.9281 |
| 2020 | 15.0911 |
| 2019 | 18.2469 |
| 2018 | 17.4673 |
| 2017 | 26.1924 |
| 2016 | 23.702 |
| 2015 | 19.2109 |
| 2014 | 30.7599 |
| 2013 | 28.6268 |
| 2012 | 33.0148 |
| 2011 | 16.3237 |
| 2010 | 16.7941 |
| 2009 | 13.6945 |
| 2008 | 13.8145 |
| 2007 | 15.837 |
| 2006 | 17.0737 |
| 2005 | 17.8262 |
| 2004 | 16.6817 |
| 2003 | 14.0852 |
| 2002 | 8.66772 |
| 2001 | 7.95365 |
| 2000 | 18.1348 |
| 1999 | 13.8279 |
| 1998 | 14.0616 |
| 1997 | 13.1997 |
| 1996 | 17.4452 |
| 1995 | 18.5884 |
| 1994 | 29.5115 |
| 1993 | 24.2825 |
| 1992 | 31.5909 |
| 1991 | 31.2494 |
| 1990 | 34.6899 |
| 1989 | 23.9176 |
| 1988 | 28.7247 |
| 1987 | 31.9642 |
| 1986 | 11.9168 |
| 1985 | 14.8225 |
| 1984 | 10.6247 |
| 1983 | 11.0708 |
| 1982 | 15.7557 |
| 1981 | 23.015 |
| 1980 | 22.8646 |
| 1979 | 19.9049 |
| 1978 | 19.8226 |
| 1977 | 19.7195 |
| 1976 | 21.54 |
| 1975 | 25.1085 |
| 1974 | 24.0969 |
| 1973 | 24.6388 |
| 1972 | 27.7726 |
| 1971 | 31.2678 |
| 1970 | 31.0214 |
| 1969 | 27.6297 |
| 1968 | 23.6828 |
| 1967 | 27.0784 |
| 1966 | 27.7778 |
| 1965 | 28.8664 |
| 1964 | 29.077 |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |