| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 111.4 |
| 2020 | 115.4 |
| 2019 | 119.5 |
| 2018 | 123.9 |
| 2017 | 128.6 |
| 2016 | 133.5 |
| 2015 | 148.5 |
| 2014 | 147.5 |
| 2013 | 149.4 |
| 2012 | 155.5 |
| 2011 | 162 |
| 2010 | 168.9 |
| 2009 | 175.9 |
| 2008 | 183.3 |
| 2007 | 190.6 |
| 2006 | 197.6 |
| 2005 | 204.5 |
| 2004 | 211 |
| 2003 | 217.7 |
| 2002 | 223.9 |
| 2001 | 229.6 |
| 2000 | 235.6 |
| 1999 | 240.8 |
| 1998 | 246.2 |
| 1997 | 251.4 |
| 1996 | 255.9 |
| 1995 | 260.1 |
| 1994 | 263.6 |
| 1993 | 266.6 |
| 1992 | 268.9 |
| 1991 | 270.6 |
| 1990 | 272.4 |
| 1989 | 274.3 |
| 1988 | 276.3 |
| 1987 | 278.5 |
| 1986 | 280.9 |
| 1985 | 283.5 |
| 1984 | 286.3 |
| 1983 | 289.3 |
| 1982 | 292.4 |
| 1981 | 296 |
| 1980 | 299.6 |
| 1979 | 303.4 |
| 1978 | 307.5 |
| 1977 | 311.7 |
| 1976 | 316 |
| 1975 | 320.5 |
| 1974 | 325.1 |
| 1973 | 330.1 |
| 1972 | 335.1 |
| 1971 | 340.3 |
| 1970 | 345.5 |
| 1969 | 351.2 |
| 1968 | 356.9 |
| 1967 | 362.7 |
| 1966 | 368.7 |
| 1965 | 374.7 |
| 1964 | 380.7 |
| 1963 | 386.8 |
| 1962 | 392.7 |
| 1961 | 398.6 |
| 1960 | 404.4 |