57% (1985)

35% (1966)

55% (1969)

54% (1986)

53% (1994)

0% (1975)

0% (1968)

0% (1970)

54% (1976)

35% (1963)

55% (1962)

50% (1968)

47% (1965)

55% (1967)

55% (1964)

23% (1973)

0% (1979)