0% (1962)

50% (1964)

65% (1976)

60% (1984)

85% (1973)

37% (1963)

20% (1989)

55% (1979)

38% (1989)

57% (1971)

44% (1957)

67% (1986)

65% (1991)

57% (1927)

37% (1925)

0% (1969)

0% (1978)

38% (1971)

60% (1949)

50% (1951)