SEP - Report with Scan Times

I have an application that has exhibited some crappy performance. I need to generate proof that SEP isn't the root cause. I need to figure out a way to report about prior scan times of server01 for the last month (week, n days, whatever is easiest and as far back as I can go). I am currently using a MS SQL database as my backend for the server. I checked the canned reports and there doesn't seem to be any way to pull a history report other than the last time a scan ran. Also would there be a way to determine what type of scan was run?

Thanks in advance!