67% (2003)

76% (1986)

68% (1986)

54% (1994)

74% (1990)

68% (1993)

62% (2012)

77% (1986)

67% (1983)

69% (1988)

65% (1989)

58% (2003)

56% (1996)

67% (1986)

56% (1991)

71% (1991)

76% (1991)

53% (1999)

47% (2005)

54% (1985)