43% (1989)

70% (1951)

56% (1978)

62% (1958)

32% (1986)

69% (1951)

62% (1936)

63% (1955)

73% (1940)

51% (1968)

64% (1961)

51% (1973)

57% (1951)

63% (1934)

68% (1949)

73% (1965)

61% (1955)

54% (1981)

69% (1964)

56% (1954)