You can look at the performance of the live pools on tinlake.centrifuge.io but the data is a bit hard to get, you are right. Here’s what I can share though in a few general stats:
Asset origionators collectively originated DAI 2.5M to date. This was for a total of > 120 loans and there were no recorded defaults. You can find the yield and maturity dates of assets in the respective asset originator details such as this one: