70% (1983)

71% (1969)

49% (2001)

63% (1989)

72% (1965)

65% (1973)

57% (1994)

41% (1986)

68% (1969)

30% (1973)

71% (1962)

61% (1961)

44% (1987)

47% (1981)

80% (1983)

64% (1962)

60% (1953)

42% (2004)

50% (1965)

59% (1971)