| 年份 | 塞拉利昂 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 78.3 |
| 2020 | 80.5 |
| 2019 | 82.8 |
| 2018 | 85.2 |
| 2017 | 87.6 |
| 2016 | 90.1 |
| 2015 | 95.5 |
| 2014 | 96 |
| 2013 | 98 |
| 2012 | 101 |
| 2011 | 104.2 |
| 2010 | 107.6 |
| 2009 | 111 |
| 2008 | 114.5 |
| 2007 | 118 |
| 2006 | 121.3 |
| 2005 | 124.6 |
| 2004 | 127.6 |
| 2003 | 130.6 |
| 2002 | 133.4 |
| 2001 | 136.1 |
| 2000 | 138.6 |
| 1999 | 141 |
| 1998 | 143.3 |
| 1997 | 145.5 |
| 1996 | 147.5 |
| 1995 | 149.3 |
| 1994 | 150.7 |
| 1993 | 152 |
| 1992 | 153 |
| 1991 | 153.9 |
| 1990 | 154.8 |
| 1989 | 155.6 |
| 1988 | 156.6 |
| 1987 | 157.6 |
| 1986 | 158.7 |
| 1985 | 159.8 |
| 1984 | 161.2 |
| 1983 | 162.5 |
| 1982 | 163.9 |
| 1981 | 165.6 |
| 1980 | 167.2 |
| 1979 | 169 |
| 1978 | 170.8 |
| 1977 | 172.9 |
| 1976 | 175 |
| 1975 | 177.2 |
| 1974 | 179.5 |
| 1973 | 182 |
| 1972 | 184.6 |
| 1971 | 187.2 |
| 1970 | 189.9 |
| 1969 | 192.7 |
| 1968 | 195.6 |
| 1967 | 198.7 |
| 1966 | 201.7 |
| 1965 | 204.7 |
| 1964 | 207.9 |
| 1963 | 211.1 |
| 1962 | 214.3 |
| 1961 | 217.3 |
| 1960 | 220.4 |