No, I meant in general. How much of the total volume of coins used in mixing went to centralized mixers/tumblers and how much of them went to CoinJoins - Wasabi's implementation, Samourai's, and include JoinMarket/other major implementations. If total volume is going up + the ratio is also going to the side of CoinJoin, then there's probably enough market growth and incentive for centralized mixers to slowly transition their business models to run CoinJoin coordinators?
¯\_(ツ)_/¯
I have no idea about what sort of volume goes to centralized mixer websites, but that's like asking what sort of volume gets sent to phishing sites. These imposter sites have no reason to stop scamming and start coinjoining because of how lucrative scamming is.
Since these places charge
~5% to custody your funds and your data, it would be a bit embarrassing for them to pivot and announce that they are offering coinjoins which are non custodial, completely private, with a fee rate of <0.3% to compete with the current market.