iOS 14.5 App Tracking Opt-in Rate

This site tracks daily the number of users* opting in for App Tracking with the new iOS 14.5 update.
Useful for those invested in Facebook and other players in the mobile advertising industry.
Here is the chart from May 14th for the World, the figure is 5% for the US.
*they count app users not individuals users. So it is for every app.
Good article on what participants are doing in the early days.