1931 - 1960 1939

1961 - 1970 1961 1963 1965 1966 1967

1971 - 1980 1972 1973 1974 1975 1976 1979 1980

1981 - 1990 1982 1983 1984 1985 1987 1989 1990

1991 - 2000 1991 1993 1994 1995 1996 1997 1998 1999 2000

2001 - 2010 2001 2002 2004 2005 2006 2008

2011 - .... 2012 2013 2014 2015 2016 2017