60% (1987)

72% (2002)

0% (1976)

55% (1994)

0% (1992)

50% (1973)

58% (1990)

65% (1963)

50% (1982)

0% (1982)

54% (1971)

59% (1987)

50% (1978)

0% (1967)

50% (1972)

0% (1966)

54% (1967)

63% (1966)

0% (1988)

71% (1967)