75% (1986)

60% (1963)

70% (1961)

0% (1980)

0% (1986)

60% (1976)

66% (1986)

50% (1977)

0% (1989)

52% (1962)

0% (1936)

44% (1972)

62% (1957)

0% (1988)

42% (1981)

46% (1968)

0% (1966)

38% (1953)

0% (1982)

48% (1986)