Open and closed invoices

hi experts,

I have to capture the parked, open and closed invoices in a report in reference to vendor...

I got the parked invoice condition from the table BSTAT either v or w.

But i am not getting the idea how to capture the open and closed invoices...

Some one suggested me to use the ITEMSET structure but i donno how to capture those values can anyone suggest me how to do it...?

SIRI