It surprised me too but I guess the summary is something like ‘banks used to have 500 tellers per atm and now they have about 1.5 tellers per atm. I think that

It surprised me too but I guess the summary is something like ‘banks used to have 500 tellers per atm and now they have about 1.5 tellers per atm. I think that number is a bit surprising still but presumably it isn’t counting ATMs at places that aren’t banks.