0% (1986)

0% (1977)

0% (1971)

52% (1974)

60% (1981)

58% (1985)

48% (1971)

52% (1970)

40% (1976)

63% (1969)

70% (1966)

62% (1965)

70% (1965)

20% (1987)

66% (1980)

0% (1974)

0% (1973)

10% (1977)

50% (1979)

50% (1999)