80% (1972)

86% (1967)

53% (1996)

0% (1980)

60% (1975)

10% (1988)

0% (1983)

50% (1988)

50% (1986)

53% (1992)

61% (1992)

0% (1980)

0% (1996)

90% (1987)

59% (1978)

50% (1989)

50% (1962)

0% (1977)

0% (1978)

60% (1991)