42% (1984)

48% (1983)

45% (1985)

31% (1985)

69% (1986)

41% (1985)

74% (1974)

71% (1982)

69% (1988)

68% (1980)

73% (1981)

69% (1985)

70% (1979)

68% (1979)

75% (1986)

60% (1979)

32% (1988)

52% (2011)

73% (1981)

70% (1974)