0% (1959)

0% (1980)

20% (1982)

0% (1974)

90% (1976)

100% (1970)

70% (1975)

60% (1971)

70% (1987)

70% (1960)

0% (1978)

50% (1974)

60% (1961)

72% (1978)

70% (1977)

60% (1985)

30% (1970)

75% (1979)

50% (1926)

0% (1980)