68% (1936)

60% (1936)

61% (1935)

67% (1934)

43% (1967)

56% (1984)

52% (1983)

65% (1949)

52% (1985)

67% (1938)

65% (2001)

49% (1989)

63% (1938)

63% (1992)

63% (2001)

71% (1955)

52% (1986)

65% (1954)

56% (1946)

58% (1946)