44% (1953)

50% (1950)

46% (1954)

48% (1958)

56% (1955)

50% (1951)

66% (1953)

60% (1963)

50% (1955)

57% (1955)

55% (1955)

56% (1948)

53% (1956)

61% (1959)

40% (1980)

60% (1953)

57% (1946)

57% (1950)

56% (1975)

50% (1985)