Record of PIRs

Dear All

i am starting my production plan by entering direct PIRs in MD 61 and usin strategy as Gross requirement Planning.

Now i want to make ABAP report Plan Vs actual production.So i have to pick the plan PIR Quantity from MD61 screen.But after some time some of the PIR consumes so from where can i get my plan qty.If any confusion in understanding then please reveret back.