80% (1990)

40% (1990)

50% (1968)

52% (1986)

0% (1966)

0% (1976)

82% (1958)

0% (1990)

43% (1984)

0% (1983)

56% (1962)

60% (1956)

57% (1957)

80% (1981)

61% (1964)

35% (1982)

0% (1970)

48% (1980)

52% (1984)

40% (1989)