74% (1977)

57% (2018)

72% (1985)

77% (1979)

69% (2004)

78% (1987)

66% (1997)

63% (2019)

61% (2016)

62% (1984)

65% (1979)

76% (1986)

69% (1997)

59% (1982)

77% (1993)

68% (1987)

65% (2010)

62% (2009)

61% (2014)

77% (1961)