79% (1951)

50% (1966)

50% (1970)

56% (1950)

65% (1971)

68% (1959)

53% (1961)

60% (1942)

50% (1961)

63% (1953)

53% (1949)

50% (1963)

61% (1961)

57% (1963)

47% (1980)

56% (1952)

62% (1952)

50% (1964)

50% (1975)

50% (1981)