Are there stats on what proportion of Deck use is piracy? I have a Deck, half my friends have Decks, none of them have mentioned piracy as a use case that I can

Are there stats on what proportion of Deck use is piracy? I have a Deck, half my friends have Decks, none of them have mentioned piracy as a use case that I can recall. A 40 year old with a twenty year back catalog of Steam titles gives me plenty of things to play.