41% (1985)

70% (1987)

48% (1950)

61% (1979)

70% (1965)

45% (1970)

0% (1981)

60% (1964)

38% (1959)

57% (1958)

0% (1988)

70% (1972)

54% (1965)

62% (1956)

58% (1985)

62% (1968)

90% (1980)

20% (1984)

90% (1982)

54% (1979)