75% (2008)

80% (1973)

79% (2007)

70% (2008)

74% (2004)

76% (2007)

0% (1990)

78% (2013)

73% (2011)

77% (2010)

76% (2002)

73% (1993)

78% (2010)

56% (2014)

81% (2012)

0% (1997)

77% (2007)

77% (1989)

78% (2013)

77% (2010)