59% (1967)

70% (1965)

67% (1970)

72% (1998)

0% (1977)

0% (1981)

40% (1970)

50% (1968)

0% (1995)

0% (1971)

53% (1988)

0% (1974)

60% (1959)

50% (1983)

76% (1988)

45% (1986)

50% (1986)

0% (1978)

55% (1968)

50% (1967)