80% (1972)

50% (1965)

60% (1981)

75% (1962)

20% (1934)

100% (1968)

40% (1974)

40% (1952)

60% (1988)

80% (1966)

0% (1970)

0% (1960)

90% (1952)

10% (1988)

0% (1976)

20% (1990)

0% (1965)

0% (1930)

0% (1980)

50% (1982)