77% (1925)

79% (1967)

72% (1998)

68% (1961)

63% (1999)

61% (1999)

59% (1924)

68% (1926)

68% (1989)

42% (1990)

52% (1925)

62% (1926)

29% (1990)

63% (1997)

52% (1924)

56% (1924)

50% (1924)

80% (1990)

60% (1923)

40% (1988)