69% (1996)

74% (2002)

58% (2015)

77% (1993)

64% (1995)

65% (2004)

63% (2008)

57% (1998)

49% (2002)

65% (1997)

73% (2006)

10% (1994)

60% (1997)

62% (1993)

68% (2012)

61% (2014)

60% (2004)

56% (2000)

57% (1998)

61% (1996)