64% (1993)

67% (1988)

68% (1953)

65% (2018)

57% (1989)

68% (1981)

69% (1999)

69% (1948)

68% (1984)

63% (2010)

64% (2004)

70% (1955)

53% (2010)

73% (1995)

60% (1999)

58% (2012)

59% (2000)

72% (1970)

55% (2010)

69% (2014)