Source: U.S. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNS13026638
U.S. Bureau of Labor Statistics, Unemployment Level: Permanent Job Losers [LNS13026638], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNS13026638, April 21, 2018.