0% (1979)

55% (1989)

0% (1961)

0% (1969)

10% (1988)

60% (1983)

60% (1968)

55% (1979)

60% (1991)

60% (1970)

50% (1979)

37% (1972)

49% (1973)

86% (1980)

0% (1969)

0% (1967)

70% (1974)

10% (1989)

50% (1971)

53% (1974)