57% (1974)

63% (1980)

78% (2016)

66% (2018)

46% (1970)

69% (2008)

63% (2015)

71% (1999)

59% (2019)

79% (1980)

75% (2011)

71% (2016)

64% (2014)

62% (2012)

70% (1939)

68% (2014)

61% (1997)

64% (1966)

64% (1992)

62% (1977)