80% (1972)

53% (1996)

86% (1967)

50% (1988)

0% (1983)

53% (1992)

10% (1988)

0% (1996)

61% (1992)

50% (1986)

59% (1978)

0% (1980)

90% (1987)

50% (1962)

60% (1975)

0% (1977)

0% (1980)

60% (1991)

0% (1984)

0% (1978)