77% (2013)

51% (1992)

72% (2013)

68% (1985)

80% (1977)

70% (1967)

58% (1947)

20% (1923)

50% (1971)

60% (1978)

54% (1996)

10% (1992)

47% (1990)

60% (1981)

0% (1967)

20% (1961)

47% (1987)

42% (1989)

25% (1992)

0% (1979)