1952 1954 1954 1955 1955 1957 1957 1962 1964 1965 1966 1967 1972 1975 1976 1976 1977 1977 1980 1983 1984 1985 1986 1987 1988 1989 1991 1992 1992 1992 1993 1993 1993 1994 1995 1995 1995 1996 1997 1998 1999 2000 2000 2001 2001 2003 2008 