70% (1983)

71% (1969)

68% (1969)

65% (1973)

63% (1989)

49% (2001)

71% (1965)

64% (1962)

71% (1962)

80% (1983)

59% (1971)

47% (1981)

57% (1994)

44% (1987)

61% (1961)

30% (1973)

42% (2004)

50% (1975)

54% (1983)

58% (1971)