61% (1959)

53% (1960)

44% (1953)

57% (1946)

66% (1953)

60% (1953)

57% (1955)

55% (1955)

46% (1954)

62% (1964)

60% (1963)

57% (1950)

56% (1948)

49% (1953)

60% (1957)

50% (1949)

53% (1956)

55% (1972)

50% (1948)

56% (1955)