77% (2017)

71% (2005)

69% (1964)

74% (2011)

72% (1987)

61% (1991)

65% (1997)

65% (1979)

79% (2020)

86% (2020)

70% (1985)

72% (2015)

77% (1997)

74% (2013)

50% (1956)

72% (2015)

65% (2015)

77% (2017)

55% (1982)

76% (1966)