Some raw data http://www.epi.org/publication/bp359-guestworkers-high-skill...
A good analysis of several data sets with links to raw data http://spectrum.ieee.org/at-work/education/the-stem-crisis-i...
http://www.epi.org/press/epi-analysis-finds-shortage-stem-wo...
http://spectrum.ieee.org/at-work/education/the-stem-crisis-i...
If you're going to dispute these findings I look forward to reading your peer reviewed published papers.