Sorry maybe I haven’t been clear in my previous post, I meant to say if you use Disb Mon and Year in trend Axis instead of Disb Date, it gives the results without showing blank, it is just because of the data granularity difference I assume. I was trying ti with different measures so might have forgotten to change the Indictor back to Disb KPI.
Hope it would solve the problem, if not please do let me know.