51% (1983)

56% (1977)

54% (2002)

58% (1971)

51% (1983)

56% (1998)

69% (1944)

70% (1964)

58% (1997)

63% (1936)

58% (1983)

67% (1945)

59% (1938)

63% (1997)

60% (1939)

62% (1974)

60% (1967)

68% (1941)

56% (1998)

0% (1934)