59% (2014)

54% (2014)

80% (1999)

72% (1993)

54% (1992)

74% (1990)

69% (1975)

77% (2013)

86% (2004)

86% (2005)

85% (2014)

79% (2006)

85% (2012)

83% (2011)

76% (2001)

83% (2013)

80% (2002)

75% (1976)

81% (1971)

83% (2015)