71% (1984)

60% (1971)

60% (1975)

70% (1978)

71% (1982)

53% (1985)

59% (1983)

60% (1975)

62% (1965)

55% (1981)

64% (1972)

0% (2004)

52% (1968)

65% (1962)

77% (1975)

77% (1966)

70% (1976)

55% (1963)

63% (1984)

0% (1971)