Source: US. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU03032215
US. Bureau of Labor Statistics, Unemployment Level: Management, Professional, and Related Occupations [LNU03032215], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LNU03032215, July 24, 2016.