54% (1986)

76% (1965)

0% (1978)

30% (1952)

30% (1970)

45% (1979)

60% (1979)

0% (1939)

0% (1981)

0% (1983)

60% (1977)

48% (1980)

0% (1939)

73% (1986)

30% (1964)

48% (1967)

0% (1961)

60% (1965)

58% (1971)

70% (1971)