Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU02026631
U.S. Bureau of Labor Statistics, Multiple Jobholders, Primary and Secondary Jobs Both Full Time [LNU02026631], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU02026631, March 19, 2018.