71% (1964)

60% (1947)

63% (1958)

77% (1963)

65% (1959)

73% (1952)

30% (1964)

58% (1966)

38% (1950)

51% (1966)

53% (1967)

50% (1966)

61% (1955)

41% (1954)

61% (1950)

40% (1968)

40% (1965)

50% (1945)

0% (1947)

0% (1951)