From the United States Bureau of Labor Statistics, this source provides details on career outlook, salaries, education, and much more.
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Sponsored by the United States Department of Labor and a proud partner of the American Job Center network, this site "is the flagship career, training, and job search website for the U.S. Department of Labor. The website serves job seekers, businesses, students, and career advisors with a variety of free online tools, information and resources."
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Access Statista through the SPU Library for additional statistics.