| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 229.627 |
| 2020 | 228.946 |
| 2019 | 217.502 |
| 2018 | 219.265 |
| 2017 | 240.12 |
| 2016 | 240.242 |
| 2015 | 258.226 |
| 2014 | 267.786 |
| 2013 | 265.3 |
| 2012 | 275.987 |
| 2011 | 285.973 |
| 2010 | 297.065 |
| 2009 | 310.629 |
| 2008 | 325.398 |
| 2007 | 341.534 |
| 2006 | 357.789 |
| 2005 | 371.446 |
| 2004 | 375.896 |
| 2003 | 379.245 |
| 2002 | 384.129 |
| 2001 | 388.347 |
| 2000 | 393.718 |
| 1999 | 405.293 |
| 1998 | 405.383 |
| 1997 | 398.075 |
| 1996 | 394.081 |
| 1995 | 397.218 |
| 1994 | 393.476 |
| 1993 | 380.894 |
| 1992 | 375.806 |
| 1991 | 374.016 |
| 1990 | 363.213 |
| 1989 | 360.098 |
| 1988 | 354.424 |
| 1987 | 349.622 |
| 1986 | 348.007 |
| 1985 | 340.681 |
| 1984 | 335.731 |
| 1983 | 332.035 |
| 1982 | 331.727 |
| 1981 | 330.773 |
| 1980 | 330.799 |
| 1979 | 331.237 |
| 1978 | 334.171 |
| 1977 | 338.381 |
| 1976 | 342.412 |
| 1975 | 347.529 |
| 1974 | 351.879 |
| 1973 | 356.818 |
| 1972 | 359.681 |
| 1971 | 364.415 |
| 1970 | 367.961 |
| 1969 | 370.89 |
| 1968 | 373.287 |
| 1967 | 373.829 |
| 1966 | 377.68 |
| 1965 | 381.512 |
| 1964 | 385.562 |
| 1963 | 390.07 |
| 1962 | 394.408 |
| 1961 | 397.647 |
| 1960 | 402.02 |