0% (1976)

0% (1947)

0% (1971)

80% (1981)

56% (1973)

0% (1982)

0% (1988)

0% (1950)

40% (1958)

0% (1986)

70% (1987)

47% (1960)

0% (1968)

0% (1973)

68% (1982)

56% (1992)

43% (1966)

0% (1975)

40% (1966)

60% (1980)