1981 1954 1955 1982 1956 1983 1957 1984 1958 1985 1959 1986 1960 1987 1961 1988 1962 1989 1963 1990 1964 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006