55% (1956)

45% (1951)

47% (1968)

58% (1955)

59% (1950)

50% (1967)

69% (1977)

80% (2019)

66% (1959)

50% (2006)

83% (2008)

74% (2016)

56% (1992)

64% (1957)

52% (1958)

61% (1965)

73% (1989)

60% (1966)

61% (1958)

53% (1951)