55% (1954)

61% (1957)

58% (1977)

61% (1966)

35% (1954)

30% (1953)

57% (1952)

0% (1953)

56% (1974)

63% (1959)

70% (1977)

77% (1966)

45% (1978)

55% (1976)

47% (1970)

50% (1956)

64% (1954)

45% (1977)

41% (1954)

67% (1968)