| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 71.7 |
| 2020 | 73.8 |
| 2019 | 76 |
| 2018 | 78.2 |
| 2017 | 80.6 |
| 2016 | 82.9 |
| 2015 | 93.2 |
| 2014 | 90.7 |
| 2013 | 91 |
| 2012 | 94 |
| 2011 | 97.2 |
| 2010 | 100.7 |
| 2009 | 104.2 |
| 2008 | 107.6 |
| 2007 | 110.9 |
| 2006 | 114.3 |
| 2005 | 117.4 |
| 2004 | 120.3 |
| 2003 | 123 |
| 2002 | 125.5 |
| 2001 | 128.1 |
| 2000 | 130.4 |
| 1999 | 132.7 |
| 1998 | 134.5 |
| 1997 | 136.4 |
| 1996 | 138.1 |
| 1995 | 139.3 |
| 1994 | 140.3 |
| 1993 | 141.1 |
| 1992 | 141.9 |
| 1991 | 142.9 |
| 1990 | 143.8 |
| 1989 | 144.6 |
| 1988 | 145.6 |
| 1987 | 146.6 |
| 1986 | 147.5 |
| 1985 | 148.7 |
| 1984 | 149.9 |
| 1983 | 151.1 |
| 1982 | 152.5 |
| 1981 | 153.9 |
| 1980 | 155.5 |
| 1979 | 157.2 |
| 1978 | 159 |
| 1977 | 161 |
| 1976 | 163 |
| 1975 | 165.2 |
| 1974 | 167.3 |
| 1973 | 169.6 |
| 1972 | 172 |
| 1971 | 174.4 |
| 1970 | 176.9 |
| 1969 | 179.6 |
| 1968 | 182.3 |
| 1967 | 185 |
| 1966 | 187.9 |
| 1965 | 190.8 |
| 1964 | 193.7 |
| 1963 | 196.5 |
| 1962 | 199.5 |
| 1961 | 202.4 |
| 1960 | 205.4 |