54% (1963)

60% (1991)

46% (2015)

50% (1939)

63% (1933)

41% (1976)

38% (1977)

67% (1938)

0% (1970)

0% (1926)

68% (1938)

55% (1966)

53% (1953)

50% (1937)

58% (1930)

58% (1944)

66% (1937)

63% (1940)

56% (1947)

59% (1948)