70% (1976)

30% (1983)

60% (1966)

70% (1978)

0% (1983)

50% (1986)

64% (1978)

10% (1953)

60% (1978)

20% (1984)

51% (1939)

54% (1977)

60% (1956)

59% (1976)

60% (1972)

50% (1981)

0% (1938)

60% (1977)

45% (1988)

100% (1947)