50% (1974)

36% (1954)

40% (1973)

61% (1969)

65% (1969)

46% (1940)

50% (1955)

58% (1960)

58% (1961)

71% (1952)

58% (1947)

52% (1971)

62% (1966)

45% (1946)

71% (1964)

0% (1973)

66% (1957)

66% (1954)

40% (1971)

70% (1968)