80% (1954)

53% (1965)

0% (1971)

0% (1985)

48% (1979)

0% (1967)

55% (1967)

70% (1969)

65% (1983)

45% (1985)

30% (1990)

56% (1973)

47% (1968)

80% (1967)

20% (1981)

55% (1971)

50% (1958)

55% (1992)

61% (2003)

65% (1988)