I have a similar situation. I broke out all the different aircraft by type if I had more than 5 hours in it. Anything less, I put in groups of similar types (SE tri-gear, SE tailwheel, Light ME piston) I did put all C-150/172s together and PA-28 variants together in their own groups. I figure if they see how much effort I put into giving them the detailed info they're asking for, maybe they'll assume I'll put in the extra effort if they hire me. It was a lengthy process but the potential benefit is huge. Fingers crossed.