I think a much better number for measuring interest in a team and the engagement of a fan base is actual attendance numbers, but most of what gets reported is tickets sold/distributed. This is why Utah continues to report sellouts but the stadium is 40% empty.
I would rather have a team that has 80% attendance and 81% sold as opposed to 100% sold but only 70% attendance.
FWIW, I expect BYU would be even higher on the actual attendance rankings.