43% (1969)

58% (1958)

32% (1932)

60% (1950)

60% (1973)

10% (1990)

0% (1987)

20% (1990)

54% (1958)

30% (1989)

10% (1979)

50% (1936)

0% (1986)

80% (1985)

80% (1985)

90% (1988)

50% (1985)

80% (1985)

60% (1980)

0% (1988)