49% (1980)

59% (1981)

42% (1964)

38% (1986)

0% (1967)

40% (1972)

0% (1987)

42% (1943)

45% (1948)

60% (1975)

0% (1959)

70% (1975)

41% (1956)

50% (1987)

61% (1945)

0% (1981)

0% (1980)

69% (1978)

50% (1983)

70% (1947)