This spreadsheet shows only the computer and mathematical jobs as well as the gain or loss when compared against the previous years total.
The total jobs data comes from this site
This report shows the total number of H-1B petitions filed by year and the report comes from this site.
As you can see, this overwhelming tidal wave of non-immigrant guest workers is simply overloading the number of jobs being created.
This is because we are sending the jobs being created to other countries via free trade agreements which decreases the number of jobs available here in America.
And then we are allowing this tidal wave of non-immigrant guest workers to be imported which is totally overwhelming any jobs created, which also decreases the number of jobs available here in America for American citizens, both native born, and foreign born.