69% (2004)

73% (2001)

80% (1995)

79% (2002)

73% (1978)

60% (2014)

65% (2011)

73% (1994)

62% (2004)

0% (2006)

76% (1999)

40% (2001)

85% (2004)

52% (2009)

74% (2010)

70% (2004)

84% (2002)

72% (2011)

65% (2001)

62% (2000)