50% (1977)

71% (1970)

56% (1981)

68% (1967)

64% (1966)

68% (1980)

47% (1959)

40% (1945)

50% (1947)

58% (1979)

64% (1946)

50% (1944)

0% (1983)

50% (1940)

60% (1978)

70% (1963)

53% (1961)

48% (1956)

0% (1957)

60% (1966)