56% (1966)

30% (1988)

74% (1981)

50% (1982)

40% (1983)

50% (1955)

50% (1982)

52% (1969)

50% (1962)

80% (1986)

42% (1982)

50% (1964)

60% (1963)

55% (1970)

46% (1971)

53% (1961)

50% (1980)

50% (1990)

50% (1990)

50% (1985)