1931 - 1940 1938

1941 - 1950 1941 1942

1951 - 1960 1952 1954 1957

1961 - 1970 1962 1963 1965 1967 1968 1970

1971 - 1980 1972 1974 1976 1977 1978 1979 1980

1981 - 1990 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990

1991 - 2000 1991 1992 1993 1994 1996 1997 1998 1999 2000

2001 - 2010 2001 2003 2004 2005 2008 2010

2011 - ... 2012 2014