0% (1989)

80% (1985)

0% (1976)

50% (1990)

0% (1970)

0% (1986)

53% (1979)

0% (1977)

61% (1959)

0% (1987)

0% (1975)

47% (1984)

60% (1981)

47% (1975)

0% (1972)

80% (1986)

75% (1968)

80% (1984)

20% (1980)

60% (1986)