Is there a way to measure outsourcing in the tech industry?? I've been in tech a decade and noticed over the years more and more jobs being outsourced or repla

Is there a way to measure outsourcing in the tech industry?? I've been in tech a decade and noticed over the years more and more jobs being outsourced or replaced by immigrants to USA. Like many the job postings on adobe's website are for Bangalore for example which wasnt the case 10 years ago. LinkedIn is making a huge push towards Bangalore workforce as well. Is there a way to quantify the transition away from American labor to foreign labor??