85% (1937)

70% (1970)

60% (1966)

0% (1989)

80% (1937)

80% (1962)

50% (1975)

0% (1989)

100% (1936)

0% (1971)

0% (1975)

35% (1924)

70% (1991)

100% (1969)

50% (1930)

70% (1979)

60% (1989)

50% (1973)

85% (1969)

70% (1961)