• I think u r following some wrong process..

    Below is an example

    FIRSTNAMEBIRTHPLACEVALUE

    ERIKLONDON0

    ERIKLONDON3

    HARRYEDINBURGH2

    HARRYEDINBURGH5

    1. Add a indicator in the table and go to indicator properties.

    2. Simply Add the column name like Sum(Fields!Calls.Value).

    3. Select Numeric as Measurement Unit.

    4. Then in the indicator states just give the start and end value in the respective