1961 - 1970 1963 1964 1965 1966 1967 1969 1970

1971 - 1980 1972 1973 1975 1977 1978 1979 1980

1981 - 1990 1981 1982 1983 1984 1985 1986 1987 1988

1991 - 2000 1993 1995

2001 - ... 2010