52% (1988)

71% (1985)

62% (1991)

73% (1939)

20% (1977)

0% (1973)

82% (1932)

0% (1982)

70% (1966)

58% (1980)

72% (1972)

73% (1952)

0% (1970)

71% (1959)

50% (1986)

0% (1977)

76% (1968)

54% (1991)

73% (1981)

40% (1940)