I don't know the stats but it seems like alot of Stafford picks this year have been of the "arm punt" variety. Basically the 3rd and long types where you just throw it 50 yards down the field in hopes of a penalty or miracle reception, if its intercepted no big deal cause it would be better than a punt anyway. That would explain why some of his advance metrics like QBR and his PFF grade are still high despite the high interception rate cause they don't penalize those type of interceptions that much.