47% (1966)

0% (1979)

28% (1991)

50% (1971)

100% (1957)

55% (1976)

0% (1976)

60% (1991)

25% (1977)

35% (1968)

67% (1967)

60% (1981)

0% (1973)

50% (1997)

90% (1979)

42% (1980)

70% (1969)

50% (1941)

58% (1965)

0% (1986)