59% (1956)

70% (1948)

52% (1969)

57% (1947)

52% (1963)

60% (1946)

45% (1958)

58% (1962)

55% (1967)

60% (1965)

49% (1969)

53% (1968)

65% (1950)

65% (1944)

60% (1948)

70% (1949)

66% (1954)

60% (1958)

45% (1947)

65% (1956)