39% (1970)

24% (1984)

43% (1976)

57% (1962)

48% (1975)

40% (1973)

35% (1970)

10% (1989)

20% (1971)

39% (1970)

50% (1969)

43% (1986)

24% (1967)

27% (1964)

57% (1961)

38% (1978)

47% (1965)

100% (1981)

5% (1994)

40% (1967)