1931 1932 1933 1935 1936 1937 1938 1940 1948 1949 1958 1961 1975 1980 1981 1986 1987 1988 1989 1990 1991 1992 1993 1994 1997 2000 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011