| 年份 | 利比里亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 60.747 |
| 2020 | 60.948 |
| 2019 | 61.104 |
| 2018 | 60.853 |
| 2017 | 60.553 |
| 2016 | 60.416 |
| 2015 | 59.148 |
| 2014 | 59.121 |
| 2013 | 59.943 |
| 2012 | 59.913 |
| 2011 | 59.62 |
| 2010 | 59.433 |
| 2009 | 59.194 |
| 2008 | 58.772 |
| 2007 | 58.285 |
| 2006 | 57.62 |
| 2005 | 56.912 |
| 2004 | 56.013 |
| 2003 | 53.042 |
| 2002 | 53.788 |
| 2001 | 52.752 |
| 2000 | 51.356 |
| 1999 | 49.953 |
| 1998 | 48.901 |
| 1997 | 47.847 |
| 1996 | 44.419 |
| 1995 | 43.917 |
| 1994 | 41.796 |
| 1993 | 42.166 |
| 1992 | 42.738 |
| 1991 | 42.795 |
| 1990 | 36.688 |
| 1989 | 43.451 |
| 1988 | 43.993 |
| 1987 | 44.528 |
| 1986 | 45.005 |
| 1985 | 44.664 |
| 1984 | 45.436 |
| 1983 | 45.383 |
| 1982 | 45.204 |
| 1981 | 44.983 |
| 1980 | 44.631 |
| 1979 | 44.349 |
| 1978 | 44.046 |
| 1977 | 43.619 |
| 1976 | 43.183 |
| 1975 | 42.774 |
| 1974 | 42.383 |
| 1973 | 41.91 |
| 1972 | 41.482 |
| 1971 | 40.94 |
| 1970 | 40.599 |
| 1969 | 40.193 |
| 1968 | 39.764 |
| 1967 | 39.427 |
| 1966 | 39.081 |
| 1965 | 38.812 |
| 1964 | 38.607 |
| 1963 | 38.473 |
| 1962 | 38.402 |
| 1961 | 38.333 |
| 1960 | 38.33 |