55% (1969)

35% (1963)

54% (1986)

53% (1994)

60% (1991)

55% (1964)

55% (1967)

55% (1962)

35% (1966)

25% (1963)

0% (1970)

0% (1968)

55% (1966)

50% (1968)

47% (1965)

0% (1975)

0% (1979)