70% (1987)

76% (1977)

62% (1970)

0% (1937)

0% (1973)

42% (1968)

54% (1968)

50% (1968)

69% (1985)

70% (1965)

46% (1963)

58% (1973)

48% (1956)

33% (1948)

0% (1928)

62% (1958)

32% (1960)

59% (1987)

32% (1932)

60% (1979)