0% (1954)

63% (1956)

0% (1979)

35% (1976)

30% (1979)

60% (1993)

20% (1987)

80% (1987)

47% (1987)

70% (1968)

67% (1988)

0% (1980)

20% (1981)

20% (1977)

0% (1965)

0% (1960)

65% (1964)

0% (1981)

62% (1937)

15% (1984)