Thanks. The reason I quoted this statistic is because I was surprised that there aren’t more Americans interested in taking advantage of the excellent education in STEM.

Could it also tell us something about interest in the field generally?

We also see significant immigrant ratios in entrepreneurial ventures: "Immigrants are “almost twice as likely” as native-born Americans to become entrepreneurs, according to the Ewing Marion Kauffman Foundation." --- https://www.forbes.com/sites/stuartanderson/2018/10/25/55-of...