58% (1991)

63% (1995)

40% (1994)

55% (1989)

62% (1994)

65% (1929)

66% (1990)

57% (1988)

67% (1991)

70% (1988)

71% (1994)

66% (1985)

58% (1988)

64% (1995)

64% (1995)

59% (1989)

62% (1994)

62% (1923)

45% (1984)

60% (1994)