Nothing recent, but Google does not disclose figures from YouTube.

https://www.wsj.com/articles/viewers-dont-add-up-to-profit-f...

https://www.google.com/amp/s/fortune.com/2016/10/18/youtube-... (not sure how to un-ampify this)

Tangential, you need to click the (i) and then click the actual url ( although they didn't actually mark it as a hyperlink). Amp is getting more and more frustrating w/ each iteration.