65% (1996)

74% (1989)

53% (1989)

63% (1986)

70% (1988)

73% (2012)

55% (2002)

68% (1986)

77% (1992)

70% (1986)

62% (1996)

40% (1987)

58% (1987)

67% (1989)

73% (1987)

58% (2002)

37% (1986)

58% (1987)

40% (1988)

52% (1995)