https://radioinsight.com/ratings/traverse-city/
WTCM-FM's worst share ever! They were consistently a 10+ share in the 2000s and 2010s. Having some very favorable (for them) counties taken out of the market and losing 93.5 have hurt them big time in recent years.
Also, only Trish and Ross (as well as CMU and IPR - WIAA only) subscribe.