57% (1967)

60% (1958)

45% (1972)

0% (1963)

0% (1974)

0% (1972)

58% (1981)

53% (1979)

50% (1980)

0% (1979)

0% (1976)

80% (1975)

50% (1963)

50% (1975)

60% (1968)

0% (1975)

61% (1966)

0% (1970)

0% (1964)

20% (1983)