For reference, Sharks played 3 finals games at Allianz Vs Cowboys in the 2010’s.
2017 - Week 1 - 16,115
2016 - Prelim - 36,717
2013 - Week 1 - 32,747
Very mixed results, 2013 more than double 2017 for the same week. Surely they can get 20k for their only home final this year.