75% (1962)

54% (2014)

79% (1999)

59% (2014)

41% (1947)

54% (1992)

74% (1990)

72% (1993)

70% (1975)

58% (1982)

86% (2005)

77% (2013)

83% (1989)

83% (2016)

85% (2014)

84% (1994)

57% (2006)

76% (2001)

60% (2009)

65% (1998)