1137 - Out-Takes on The National and Pre-Rookies from Hobby Hotline 101323

Source:
https://www.podbean.com/eau/pb-r3pd3-14e0bc6

Why has the National not historically released attendance figures especially now as the event (and the sports card hobby) is really on a roll?  Could there be a time in the future that Pre-Rookie Cards surpass major league RC's?