65% (1996)

67% (1996)

60% (2000)

73% (2014)

63% (1984)

73% (2002)

75% (1999)

73% (2010)

62% (1990)

68% (2005)

58% (2001)

66% (2002)

60% (2010)

69% (1986)

56% (1992)

74% (1998)

59% (1990)

63% (1991)

66% (1994)

69% (1991)