Yep, given specialization of labor [and thought, development, production, etc.] the US shoulda been able to test 30% of the population.
Unfortunately, we also have a much bigger bureaucracy too. The bigger the bureaucracy the more impediments that exist, and it shows, doesn't it. 8>)
Also I don't know where to find the number of actual tests that have been administered. While I have stated many times here before, more tests should be being administered. I do not know how many tests have actually been administered, though I concede it is probably well below the 30% level as that would be around 116,666,666 tests, and that is not even counting the illegals in this country.