49% (1986)

55% (1987)

64% (2013)

72% (2013)

48% (1986)

66% (1989)

63% (1988)

71% (1988)

56% (2003)

64% (1996)

61% (2012)

65% (2000)

51% (1987)

71% (1985)

72% (2011)

58% (1989)

60% (2002)

56% (2002)

72% (1986)

50% (1991)