* For the majority of occupations and sectors, data are for 2008. Data for the publishing sector are for 2007. For a small number of occupations, 2009 data were used. At the time this indicator was prepared, these were the most current data available. Percentages do not add to 100% due to rounding.
U.S. Bureau of the Census, 2007 Economic Census, http://www.census.gov/econ/census/. Data Set: Sector 51, EC0751A1; Geographic Area Series; Summary Statistics for the United States, States, Metro and Micro Areas, Metro Divisions, Consolidated Cities, Counties, and Places, 2007. Data accessed via American FactFinder.
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