Here's stat at max charge the one time it was charged to full (IIRC, dash SOC shows 99%)
5/7/2016, 73.01 AHr, 91% SOH, 87.93 Hx, The charge was at 330 GIDs, at 1076 miles.
My best guess is the BMS doesn't know what the battery pack is capable of since it was almost never charged to full, and...