60% (1989)

55% (1974)

33% (1979)

60% (1981)

59% (1967)

60% (1978)

56% (1967)

63% (1987)

0% (1991)

56% (1935)

60% (1974)

60% (1962)

60% (1967)

0% (1983)

63% (1987)

70% (1974)

0% (1990)

70% (1967)

50% (1981)

65% (1983)