0% (1977)

60% (1961)

56% (1968)

20% (1976)

40% (1961)

0% (1982)

57% (1960)

60% (1951)

50% (1953)

60% (1974)

43% (1983)

70% (1956)

20% (1983)

50% (1981)

80% (1988)

54% (1951)

0% (1978)

0% (1961)

70% (1967)

0% (1964)