30% (1976)

70% (1959)

60% (1949)

82% (1960)

40% (1976)

50% (1948)

69% (1987)

70% (1974)

0% (1970)

0% (1963)

20% (1984)

20% (1982)

0% (1951)

60% (1956)

80% (1967)

51% (1967)

60% (1936)

60% (1970)

0% (1968)

40% (1977)