| | | | 1947 | | | | | | | | | | | | | | | | | | | 1955 1956 | | | | | | | | | | 1956 | | | | | | | | | | 1963 3 | | | | | | | | | | | | 1964 6 | | | | | | | | | | | | 1980 10 | | | | | | | | | | | 1984 5 | | | | | | | | | | 1985 | | | | | | | | | | | | | | | 1988 10 | | | | | | | | | | | 1989 6 23 24 | | | | | | | | | | | | | | | | | 1989 11 6 9 | | | | | | | | | | 1990 7 25 | | | | | | | |