0% (1959)

60% (1989)

55% (1949)

68% (1970)

80% (1986)

40% (1964)

60% (1965)

0% (1957)

0% (1985)

0% (1992)

50% (1983)

40% (1961)

0% (1946)

100% (1975)

20% (1986)

0% (1985)

0% (1980)

10% (1983)

66% (1959)

40% (1986)