75% (2008)

80% (1973)

70% (2008)

79% (2007)

74% (2004)

73% (2011)

76% (2007)

0% (1990)

78% (2013)

76% (2002)

73% (1993)

56% (2014)

78% (2013)

0% (1997)

75% (2012)

77% (1989)

81% (2012)

79% (2002)

20% (1989)

78% (2002)