I’m not sure if it’s gone down during the last 1.5 years of the trump admin, but it has exploded in the last 10 years. Looking at the data. Looking at the change for any given year is a bit noisy.

China has really great wages for programming (I should know), but lacks in many quality of life factors. For example, many Chinese won’t go back once they have kids because of educatio, hukou, and pollution factors. They would have to pay a lot to get around those.