84% (1960)

50% (1957)

60% (1961)

60% (1980)

0% (1961)

0% (1967)

90% (1999)

80% (1997)

70% (1983)

0% (1974)

80% (1978)

70% (1973)

60% (1985)

70% (1955)

60% (1935)

0% (1962)

60% (1972)

50% (1976)

60% (1949)

0% (1958)