82% (2005)

86% (2018)

55% (2003)

80% (2004)

74% (2011)

68% (1968)

63% (1999)

72% (2012)

83% (2018)

80% (2004)

53% (2002)

84% (1988)

55% (1958)

73% (2011)

44% (1997)

30% (1964)

80% (2009)

61% (1965)

81% (1971)

79% (2009)