42% (1989)

66% (1949)

57% (2002)

54% (1962)

30% (1934)

38% (1948)

37% (1985)

47% (1952)

60% (1958)

56% (1977)

47% (1959)

57% (1964)

50% (1966)

50% (1957)

68% (1956)

61% (2000)

65% (1962)

55% (1990)

44% (1974)

63% (1946)