| 年份 | 利比里亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 62.072 |
| 2020 | 62.355 |
| 2019 | 62.298 |
| 2018 | 62.164 |
| 2017 | 61.694 |
| 2016 | 61.554 |
| 2015 | 60.373 |
| 2014 | 60.213 |
| 2013 | 61.124 |
| 2012 | 61.148 |
| 2011 | 60.842 |
| 2010 | 60.644 |
| 2009 | 60.551 |
| 2008 | 60.137 |
| 2007 | 59.692 |
| 2006 | 59.063 |
| 2005 | 58.544 |
| 2004 | 57.686 |
| 2003 | 55.527 |
| 2002 | 55.495 |
| 2001 | 54.534 |
| 2000 | 53.214 |
| 1999 | 52.125 |
| 1998 | 50.818 |
| 1997 | 49.768 |
| 1996 | 47.052 |
| 1995 | 46.399 |
| 1994 | 44.736 |
| 1993 | 44.752 |
| 1992 | 45.361 |
| 1991 | 44.802 |
| 1990 | 44.219 |
| 1989 | 45.092 |
| 1988 | 45.515 |
| 1987 | 45.975 |
| 1986 | 46.44 |
| 1985 | 46.361 |
| 1984 | 46.898 |
| 1983 | 46.81 |
| 1982 | 46.653 |
| 1981 | 46.473 |
| 1980 | 46.21 |
| 1979 | 45.85 |
| 1978 | 45.607 |
| 1977 | 45.201 |
| 1976 | 44.789 |
| 1975 | 44.344 |
| 1974 | 44.038 |
| 1973 | 43.607 |
| 1972 | 43.184 |
| 1971 | 42.665 |
| 1970 | 42.309 |
| 1969 | 41.91 |
| 1968 | 41.483 |
| 1967 | 41.101 |
| 1966 | 40.849 |
| 1965 | 40.554 |
| 1964 | 40.334 |
| 1963 | 40.22 |
| 1962 | 40.18 |
| 1961 | 40.093 |
| 1960 | 40.084 |