| 年份 | 塞拉利昂  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 475.796 | 
| 2021 | 504.621 | 
| 2020 | 493.432 | 
| 2019 | 506.607 | 
| 2018 | 519.65 | 
| 2017 | 484.456 | 
| 2016 | 515.448 | 
| 2015 | 581.293 | 
| 2014 | 702.339 | 
| 2013 | 706.453 | 
| 2012 | 558.18 | 
| 2011 | 443.452 | 
| 2010 | 400.541 | 
| 2009 | 386.434 | 
| 2008 | 402.553 | 
| 2007 | 358.077 | 
| 2006 | 320.514 | 
| 2005 | 286.286 | 
| 2004 | 258.473 | 
| 2003 | 255.973 | 
| 2002 | 240.508 | 
| 2001 | 221.295 | 
| 2000 | 138.714 | 
| 1999 | 149.578 | 
| 1998 | 151.097 | 
| 1997 | 193.011 | 
| 1996 | 216.623 | 
| 1995 | 201.371 | 
| 1994 | 211.339 | 
| 1993 | 178.973 | 
| 1992 | 158.081 | 
| 1991 | 178.179 | 
| 1990 | 150.193 | 
| 1989 | 224.318 | 
| 1988 | 260.115 | 
| 1987 | 167.206 | 
| 1986 | 127.555 | 
| 1985 | 228.54 | 
| 1984 | 296.61 | 
| 1983 | 277.563 | 
| 1982 | 369.029 | 
| 1981 | 324.379 | 
| 1980 | 326.795 | 
| 1979 | 336.161 | 
| 1978 | 296.975 | 
| 1977 | 218.171 | 
| 1976 | 191.081 | 
| 1975 | 222.307 | 
| 1974 | 216.397 | 
| 1973 | 195.583 | 
| 1972 | 161.175 | 
| 1971 | 148.107 | 
| 1970 | 156.406 | 
| 1969 | 150.043 | 
| 1968 | 123.483 | 
| 1967 | 133.146 | 
| 1966 | 146.175 | 
| 1965 | 142.636 | 
| 1964 | 150.449 | 
| 1963 | 143.69 | 
| 1962 | 143.888 | 
| 1961 | 140.098 | 
| 1960 | 139.986 |