Numbers are tough to judge. Some programs have a lot of oversight from attendings/director when it comes to logging, and other programs might log a heel spur or ankle hardware removal as a rearfoot procedure. Some programs/residents might routinely log "C" procedures (did >50% of the case) when they only sutured at the end. Some programs might take an ankle fracture and have one resident claim a "C" rearfoot on the med mall and another resident take a "C" log on the lateral mall... same with a triple, multiple met fx, etc. Those are all BS, but they probably happen every day. There is just too much variation between programs' PRR logging accuracy (integrity?) and too much of it based on the honor system for you to try to compare numbers between different programs and get any meaningful info.
Instead of numbers, I'd do the rotation and pay attention to how much the individual residents actually get to do in surgery. Are they routinely double/triple/quad/etc scrubbing? If it's more than double scrubbing and it's not a rare case (major recon, high energy trauma, etc), then that's a big red flag. Also, are most of the attendings passing the knife and teaching, or are they "D n' R" (the resident just "dictate and retract")? It's always in residents' best interest to fudge their numbers, pimp their program to students, etc. Don't put them on the spot by asking them "what are you gonna log that case as, B or C" or say "can I see your logs?" Use your head, pay attention, and compare programs you visit in terms of how much/little the residents actually do.