67% (1964)

0% (1970)

60% (1985)

27% (1979)

53% (1979)

50% (1986)

47% (1971)

60% (1984)

0% (1958)

57% (1960)

50% (1980)

50% (1976)

48% (1981)

40% (1972)

35% (1975)

70% (1980)

60% (1958)

43% (1972)

75% (1961)

55% (1957)