49% (1986)

55% (1987)

48% (1986)

73% (2013)

64% (2013)

66% (1989)

64% (1996)

63% (1988)

71% (1985)

58% (1989)

65% (2000)

72% (1988)

67% (1986)

72% (2011)

56% (2003)

55% (1988)

61% (2012)

10% (1989)

56% (2002)

64% (2002)