0% (1989)

0% (1962)

62% (1989)

0% (1986)

50% (1984)

48% (1988)

59% (1975)

55% (1986)

56% (1963)

48% (1983)

54% (1983)

50% (1989)

65% (1977)

46% (1960)

63% (1987)

42% (1964)

58% (1989)

61% (1965)

59% (1963)

0% (1988)