40% (1960)

20% (1950)

53% (1964)

0% (1949)

45% (1953)

30% (1952)

40% (1950)

0% (1950)

45% (1950)

60% (1950)

55% (1964)

35% (1950)

44% (1950)

59% (1951)

50% (1955)

52% (1949)

42% (1949)

57% (1950)

40% (1964)

37% (1949)