0% (1967)

85% (1974)

60% (1979)

70% (1972)

40% (1975)

41% (1966)

35% (1970)

60% (1961)

0% (1972)

20% (1971)

55% (1960)

56% (1965)

0% (1976)

80% (1986)

80% (1965)

70% (1976)

30% (1991)

70% (1977)

0% (1987)

0% (1982)