37% (1973)

0% (1992)

0% (1962)

66% (1976)

56% (1978)

65% (1982)

0% (1989)

0% (1984)

38% (1976)

40% (1976)

70% (1982)

0% (1974)

80% (1955)

62% (1978)

45% (1987)

75% (1978)

70% (1968)

0% (1957)

85% (1974)

70% (1966)