40% (1979)

55% (1981)

10% (1978)

45% (1989)

30% (1991)

20% (1964)

80% (1988)

0% (1986)

0% (1927)

70% (1971)

0% (1984)

75% (1961)

20% (1988)

70% (1971)

48% (1988)

0% (1972)

50% (1987)

80% (1977)

45% (1980)

40% (1985)