54% (1997)

62% (1992)

51% (1983)

55% (1945)

64% (1951)

66% (2016)

63% (1978)

64% (1945)

65% (2016)

54% (2002)

57% (1988)

59% (1996)

63% (1953)

37% (1945)

62% (1976)

65% (1946)

69% (1967)

71% (2015)

66% (1993)

50% (1981)