Not OP, but NYC estimates 20% have had it based on N=3000[0]. This was back in April.
0. https://thehill.com/policy/healthcare/494324-27m-new-yorkers...
0. https://thehill.com/policy/healthcare/494324-27m-new-yorkers...
Definitely it's not from-what-we-know-90%-of-the-population-had-it huge.
And those are the numbers from one of the most affected places in the world.