0% (1980)

0% (1969)

80% (1985)

50% (1959)

0% (1990)

0% (1965)

0% (1978)

0% (1986)

30% (1990)

0% (1972)

45% (1980)

50% (1960)

40% (1975)

60% (1977)

30% (1991)

0% (1979)

67% (1984)

50% (1956)

72% (1979)

80% (1972)