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  Accountants
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  Actors
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  Actuaries
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  Administrative Services Managers
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  Adult Basic and Secondary Education and Literacy Teachers and Instructors
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  Advertising and Promotions Managers
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  Aerospace Engineering and Operations Technicians
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  Aerospace Engineers
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  Agents and Business Managers of Artists, Performers, and Athletes
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  Agricultural Engineers
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  Agricultural Equipment Operators
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  Agricultural Inspectors
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  Agricultural Sciences Teachers, Postsecondary
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  Air Traffic Controllers
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  Aircraft Cargo Handling Supervisors
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  Airline Pilots, Copilots, and Flight Engineers
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  Ambulance Drivers and Attendants, Except Emergency Medical Technicians
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  Amusement and Recreation Attendants
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  Anesthesiologists
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  Animal Breeders
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  Animal Control Workers
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  Animal Trainers
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  Appraisers, Real Estate
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  Aquacultural Managers
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  Arbitrators, Mediators, and Conciliators
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  Archeologists
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  Architects, Except Landscape and Naval
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  Architectural and Engineering Managers
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  Archivists
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  Astronomers
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  Athletes and Sports Competitors
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  Athletic Trainers
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  Atmospheric and Space Scientists
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  Audio and Video Equipment Technicians
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  Audiologists
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  Auditors