30% (1928)

56% (1943)

61% (1938)

70% (1934)

56% (1939)

60% (1944)

56% (1970)

62% (1932)

68% (1940)

49% (1994)

42% (2000)

60% (1989)

46% (1963)

66% (1942)

53% (1976)

55% (1938)

61% (2000)

52% (1943)

57% (1958)

63% (1971)