58% (1998)

62% (1961)

70% (1993)

72% (1960)

68% (1964)

67% (1965)

64% (2016)

59% (1993)

26% (1968)

56% (1993)

61% (1971)

62% (2016)

62% (1961)

60% (1964)

55% (1966)

60% (1963)

62% (1971)

52% (1961)

59% (1965)

50% (1972)