0% (1971)

50% (1961)

0% (1976)

50% (1998)

50% (1969)

51% (1971)

62% (1989)

50% (1978)

61% (1981)

48% (1995)

0% (1962)

71% (1963)

72% (1971)

0% (1974)

50% (1974)

62% (1967)

50% (1970)

54% (1983)

44% (1989)

50% (1985)