| 年份 | 利比里亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 308.72 |
| 2020 | 303.559 |
| 2019 | 295.617 |
| 2018 | 300.998 |
| 2017 | 300.275 |
| 2016 | 298.583 |
| 2015 | 319.026 |
| 2014 | 313.212 |
| 2013 | 300.145 |
| 2012 | 297.508 |
| 2011 | 299.333 |
| 2010 | 297.126 |
| 2009 | 299.307 |
| 2008 | 300.427 |
| 2007 | 302.038 |
| 2006 | 305.816 |
| 2005 | 311.6 |
| 2004 | 315.56 |
| 2003 | 376.143 |
| 2002 | 326.829 |
| 2001 | 330.137 |
| 2000 | 344.015 |
| 1999 | 365.818 |
| 1998 | 363.748 |
| 1997 | 369.431 |
| 1996 | 446.823 |
| 1995 | 442.469 |
| 1994 | 491.127 |
| 1993 | 467.404 |
| 1992 | 459.792 |
| 1991 | 436.026 |
| 1990 | 725.361 |
| 1989 | 421.565 |
| 1988 | 413.458 |
| 1987 | 406.519 |
| 1986 | 402.244 |
| 1985 | 420.707 |
| 1984 | 400.84 |
| 1983 | 401.22 |
| 1982 | 404.375 |
| 1981 | 407.315 |
| 1980 | 414.272 |
| 1979 | 414.361 |
| 1978 | 418.083 |
| 1977 | 423.987 |
| 1976 | 429.637 |
| 1975 | 431.612 |
| 1974 | 435.934 |
| 1973 | 442.254 |
| 1972 | 445.607 |
| 1971 | 452.452 |
| 1970 | 453.856 |
| 1969 | 456.375 |
| 1968 | 459.588 |
| 1967 | 459.712 |
| 1966 | 465.639 |
| 1965 | 467.115 |
| 1964 | 467.356 |
| 1963 | 469.116 |
| 1962 | 470.216 |
| 1961 | 471.561 |
| 1960 | 471.574 |