74% (2003)

45% (1979)

52% (1960)

68% (1948)

60% (1959)

37% (1966)

61% (1987)

0% (1946)

60% (1966)

45% (1972)

61% (1917)

54% (1950)

53% (1981)

64% (1988)

66% (1951)

58% (1951)

68% (1963)

67% (1932)

67% (1918)

64% (1953)