[Aachen]

See the bar chart in the article, third image (don't know if hotlinking works): https://ichef.bbci.co.uk/images/ic/1024xn/p0j04fnt.jpg.webp

Probably besides the ones gaining more traftic, you're probably right the overall click-through rate will be vastly lower than it was before quote answers appeared, and now probably ever lower with the generated text answers