73% (1972)

74% (1966)

74% (1965)

69% (1964)

77% (1964)

62% (1964)

61% (1964)

55% (1969)

70% (1964)

58% (1964)

61% (1964)

64% (1963)

68% (1963)

62% (1966)

46% (2016)

65% (1965)

69% (1971)

73% (1970)

47% (1961)

69% (1970)