| 年份 | 利比里亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 21.9156 | 
| 2020 | 17.4662 | 
| 2019 | 14.2605 | 
| 2018 | 14.025 | 
| 2017 | 21.3241 | 
| 2016 | 20.1144 | 
| 2015 | 19.4463 | 
| 2014 | 26.1806 | 
| 2013 | 28.3712 | 
| 2012 | 26.7116 | 
| 2011 | 23.273 | 
| 2010 | 18.3647 | 
| 2009 | 22.0777 | 
| 2008 | 21.7674 | 
| 2007 | 21.577 | 
| 2006 | 17.6486 | 
| 2005 | 20.0544 | 
| 2004 | 19.7881 | 
| 2003 | 34.1777 | 
| 2002 | 23.8998 | 
| 2001 | 17.2523 | 
| 2000 | 17.841 | 
| 1999 | - | 
| 1998 | - | 
| 1997 | - | 
| 1996 | - | 
| 1995 | - | 
| 1994 | - | 
| 1993 | - | 
| 1992 | - | 
| 1991 | - | 
| 1990 | - | 
| 1989 | - | 
| 1988 | - | 
| 1987 | - | 
| 1986 | - | 
| 1985 | - | 
| 1984 | - | 
| 1983 | - | 
| 1982 | - | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |