59% (1982)

0% (1987)

70% (1977)

42% (1985)

75% (1969)

62% (1970)

53% (1976)

58% (1968)

0% (1975)

60% (1976)

67% (1973)

80% (1981)

0% (1964)

50% (1979)

0% (1980)

52% (1954)

40% (1972)

54% (1961)

0% (1980)

0% (1982)