63% (1957)

46% (1952)

66% (1939)

58% (1970)

55% (1992)

67% (2002)

62% (1956)

69% (1954)

51% (1966)

59% (1955)

65% (1978)

53% (1944)

59% (1980)

60% (1971)

10% (1933)

60% (1974)

72% (1949)

57% (1969)

0% (1970)

65% (1986)