20% (1985)

60% (1962)

52% (1958)

60% (1963)

0% (1977)

100% (1981)

0% (1968)

0% (1977)

58% (1980)

51% (1969)

65% (1959)

65% (1966)

50% (1966)

40% (1996)

80% (1965)

43% (1984)

50% (1964)

35% (1993)

50% (1973)

62% (1979)