1951 1987 1968 1988 1954 1988 1984 1986 1986 1957 1986 1968 1989 1989 1986 1985 1995 1985 1986 1975 1990 1988 1985 1981 1951 1959 1952 1986 1975 1999 1988 1951 1991 1984 1951 1985 1989 2004 1989 1952 1968 1951 1989 1962 1951 1986 1985 1968 1965 1987 1954 1990 1986 1996 1987 1954 1952 1966 1986 1962 1990 1985 1998 1988 1987 1968 1970 1989 1990 1987 1966 1986 