45% (1990)

69% (1990)

55% (1989)

55% (1994)

42% (1990)

49% (1992)

63% (1990)

54% (1984)

37% (1992)

48% (1990)

39% (1991)

64% (1993)

40% (1992)

48% (1989)

55% (1993)

52% (1991)

23% (1992)

100% (1992)

30% (1993)

42% (1993)