56% (1993)

57% (1961)

57% (1992)

58% (2022)

57% (1964)

63% (1962)

67% (1967)

55% (1971)

65% (1963)

52% (1960)

60% (1966)

63% (1964)

65% (1963)

46% (1964)

61% (1966)

61% (1964)

61% (1967)

40% (1969)

50% (2002)

64% (1968)