69% (2018)

50% (2012)

53% (1969)

40% (2012)

64% (1969)

20% (1984)

50% (1981)

43% (1968)

80% (1979)

50% (1971)

20% (1970)

50% (1966)

55% (1969)

48% (1969)

20% (1967)

33% (1968)

53% (1970)

52% (1969)

20% (1981)

40% (1971)