concurrent pie chart

  • Dear Sir,

    i need concurrent pie/doughnut chart where every level should separate data label. sample data and data label are given below

    90 90 90 90 90

    90 90 90 90 90

    90 90 90 90 90

    90 90 90 90 90

    90 90 90 90 90


    a b c d e

    f g h i j

    k l m n o

    p q r s t

    u v w x y


    the first inner circle should a b c d e and second circle should have f g h i j and so on. I am working on this but a b c d e is showing as data label in all circles.

    Please help me.

    thanks


    mukesh harsh