| Months and Year | Country |
|---|
| January-June 1958 | |
| July-December 1958 | |
| January -June 1959 | |
| July-December 1959 | |
| January-June 1960 | |
| July-December 1960 | |
| January-June 1961 | |
| July-December 1961 | |
| January-June 1962 | |
| July-December 1962 | |
| January-June 1963 | |
| July-December 1963 | |
| January-June 1964 | |
| July-December 1964 | |
| January-June 1965 | |
| July-December 1965 | |
| January-June 1966 | |
| July-December 1966 | |
| January-June 1967 | |
| July-December 1967 | |
| January-June 1968 | |
| January-December 1968 | |
| January-June 1969 | |
| July-December 1969 | |
| January-June 1970 | |
| July-December 1970 | |
| January-June 1971 | |
| July-December 1971 | |
| January-June 1972 | |
| July-December 1972 | |
| January-June 1973 | |
| July-December 1973 | |
| January-June 1974 | |
| July-December 1974 | |
| January-June 1975 | |
| | Months and Year | Country |
|---|
| July-December 1975 | |
| January-June 1976 | |
| July-December 1976 | |
| January-June 1977 | |
| July-December 1977 | |
| January-June 1978 | |
| July-December 1978 | |
| January-June 1979 | |
| July-December 1979 | |
| January-June 1980 | |
| July-December 1980 | |
| January-June 1981 | |
| July-December 1981 | |
| January-June 1982 | |
| July-December 1982 | |
| January-June 1983 | |
| July-December 1983 | |
| January-June 1984 | |
| July-December 1984 | |
| January-June 1985 | |
| July-December 1985 | |
| January-June 1986 | |
| July-December 1986 | |
| January-June 1987 | |
| July-December 1987 | |
| January-June 1988 | |
| July-December 1988 | |
| January-June 1989 | |
| July-December 1989 | |
| January-June 1990 | |
| July-December 1990 | |
| January-June 1991 | |
| July-December 1991 | |
| January-June 1992 | |
| July-December 1992 | |
| | Months and Year | Country |
|---|
| January-June 1993 | |
| July-December 1993 | |
| January-June 1994 | |
| July-December 1994 | |
| January-June 1995 | |
| July-December 1995 | |
| January-June 1996 | |
| June-December 1996 | |
| January-June 1997 | |
| July-December 1997 | |
| January-June 1998 | |
| July-December 1998 | |
| January-June 1999 | |
| July-December 1999 | |
| January-June 2000 | |
| July-December 2000 | |
| January-June 2001 | |
| July-December 2001 | |
| January-June 2002 | |
| July-December 2002 | |
| January-June 2003 | |
| July-December 2003 | |
| January-June 2004 | |
| July-December 2004 | |
| January-June 2005 | |
| July-December 2005 | |
| January-June 2006 | |
| July-December 2006 | |
| January-June 2007 | |
| July-December 2007 | |
| January-June 2008 | |
| July-December 2008 | |
| January-June 2009 | |
| July- December 2009 | |
| January 2010- | |
|
US States
Countries of Europe
Countries of Africa
