77% (2013)

70% (2013)

52% (1975)

51% (1992)

51% (1996)

43% (1926)

55% (1985)

70% (1978)

51% (1965)

54% (1979)

50% (1985)

50% (1973)

40% (1976)

55% (1971)

50% (1966)

55% (1966)

50% (1991)

47% (1987)

38% (1927)

35% (1986)