74% (1964)

71% (1972)

54% (1975)

77% (1967)

62% (1985)

69% (1968)

58% (1972)

64% (1976)

59% (2017)

50% (1998)

58% (1963)

55% (1967)

50% (1968)

72% (1989)

65% (1966)

47% (1982)

67% (1970)

60% (1970)

55% (1961)

0% (1961)