Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU03008517
U.S. Bureau of Labor Statistics, Of Total Unemployed, Percent Unemployed 15 Weeks and over [LNU03008517], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU03008517, May 21, 2018.