| 年份 | 利比里亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 56.1692 | 
| 2021 | 55.6466 | 
| 2020 | 55.1682 | 
| 2019 | 54.7729 | 
| 2018 | 54.4854 | 
| 2017 | 54.2625 | 
| 2016 | 54.0892 | 
| 2015 | 53.9202 | 
| 2014 | 53.7898 | 
| 2013 | 53.7657 | 
| 2012 | 53.8532 | 
| 2011 | 53.5625 | 
| 2010 | 53.1737 | 
| 2009 | 53.2139 | 
| 2008 | 53.2543 | 
| 2007 | 53.3479 | 
| 2006 | 53.5516 | 
| 2005 | 53.7614 | 
| 2004 | 53.9612 | 
| 2003 | 54.1373 | 
| 2002 | 54.2842 | 
| 2001 | 54.4021 | 
| 2000 | 54.494 | 
| 1999 | 54.5728 | 
| 1998 | 54.5765 | 
| 1997 | 54.5249 | 
| 1996 | 54.4437 | 
| 1995 | 54.2939 | 
| 1994 | 54.0706 | 
| 1993 | 53.8168 | 
| 1992 | 53.5757 | 
| 1991 | 53.3516 | 
| 1990 | 53.184 | 
| 1989 | 53.0134 | 
| 1988 | 52.7742 | 
| 1987 | 52.5819 | 
| 1986 | 52.4407 | 
| 1985 | 52.327 | 
| 1984 | 52.2148 | 
| 1983 | 52.2128 | 
| 1982 | 52.3252 | 
| 1981 | 52.4592 | 
| 1980 | 52.6421 | 
| 1979 | 52.8639 | 
| 1978 | 53.1033 | 
| 1977 | 53.3492 | 
| 1976 | 53.581 | 
| 1975 | 53.7999 | 
| 1974 | 53.9917 | 
| 1973 | 54.149 | 
| 1972 | 54.3012 | 
| 1971 | 54.4604 | 
| 1970 | 54.6234 | 
| 1969 | 54.7991 | 
| 1968 | 54.9922 | 
| 1967 | 55.1871 | 
| 1966 | 55.3958 | 
| 1965 | 55.6189 | 
| 1964 | 55.9388 | 
| 1963 | 56.2524 | 
| 1962 | 56.4195 | 
| 1961 | 56.5027 | 
| 1960 | 56.5168 |