| 年份 | 利比里亚 |
|---|---|
| 2023 | - |
| 2022 | 1.06百万 |
| 2021 | 1.05百万 |
| 2020 | 1.04百万 |
| 2019 | 1.03百万 |
| 2018 | 1.02百万 |
| 2017 | 1百万 |
| 2016 | 9.88十万 |
| 2015 | 9.72十万 |
| 2014 | 9.55十万 |
| 2013 | 9.35十万 |
| 2012 | 9.14十万 |
| 2011 | 8.88十万 |
| 2010 | 8.62十万 |
| 2009 | 8.37十万 |
| 2008 | 8.11十万 |
| 2007 | 7.78十万 |
| 2006 | 7.38十万 |
| 2005 | 6.95十万 |
| 2004 | 6.63十万 |
| 2003 | 6.53十万 |
| 2002 | 6.47十万 |
| 2001 | 6.29十万 |
| 2000 | 6.11十万 |
| 1999 | 5.88十万 |
| 1998 | 5.58十万 |
| 1997 | 5.05十万 |
| 1996 | 4.68十万 |
| 1995 | 4.58十万 |
| 1994 | 4.57十万 |
| 1993 | 4.62十万 |
| 1992 | 4.47十万 |
| 1991 | 4.26十万 |
| 1990 | 4.87十万 |
| 1989 | 5.56十万 |
| 1988 | 5.45十万 |
| 1987 | 5.33十万 |
| 1986 | 5.21十万 |
| 1985 | 5.08十万 |
| 1984 | 4.95十万 |
| 1983 | 4.79十万 |
| 1982 | 4.63十万 |
| 1981 | 4.49十万 |
| 1980 | 4.34十万 |
| 1979 | 4.18十万 |
| 1978 | 4.03十万 |
| 1977 | 3.88十万 |
| 1976 | 3.74十万 |
| 1975 | 3.61十万 |
| 1974 | 3.49十万 |
| 1973 | 3.39十万 |
| 1972 | 3.29十万 |
| 1971 | 3.19十万 |
| 1970 | 3.1十万 |
| 1969 | 3.01十万 |
| 1968 | 2.92十万 |
| 1967 | 2.84十万 |
| 1966 | 2.76十万 |
| 1965 | 2.67十万 |
| 1964 | 2.59十万 |
| 1963 | 2.51十万 |
| 1962 | 2.43十万 |
| 1961 | 2.37十万 |
| 1960 | 2.31十万 |