Source: US. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNS13008517
US. Bureau of Labor Statistics, Of Total Unemployed, Percent Unemployed 15 Weeks and over [LNS13008517], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNS13008517, July 26, 2016.