55% (1992)

73% (2006)

83% (2012)

44% (1997)

78% (1982)

78% (1978)

73% (2011)

55% (1994)

52% (1978)

76% (1997)

38% (1965)

64% (2008)

69% (1982)

67% (2017)

50% (2011)

76% (1970)

68% (2004)

65% (2004)

50% (1982)

75% (1947)