50% (2017)

68% (2024)

66% (1949)

68% (1996)

65% (2010)

57% (2018)

72% (1987)

77% (1961)

71% (1988)

68% (1988)

68% (2001)

77% (1993)

63% (1976)

64% (2010)

69% (2011)

68% (1970)

65% (2001)

68% (1987)

72% (1985)

65% (1979)