Has anyone found any decent reporting on how the rollout of 5G in USA is progressing? South Korea has been rolling out 5G and I found a decent article that high

Has anyone found any decent reporting on how the rollout of 5G in USA is progressing? South Korea has been rolling out 5G and I found a decent article that highlighted numbers and issues.[1] But for USA all I see is marketing propaganda from the Telcos. [1] https://www.fitchsolutions.com/corporates/telecoms-media-technology/south-korea-5g-rollout-key-highlights-progress-so-far-24-05-2019 https://www.fitchsolutions.com/corporates/telecoms-media-tec...