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Quarterly Census of Employment and Wages
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Changes to the QCEW CSV Files and the Data Viewer
Most QCEW NAICS data flat files for the years 1975-2014 were updated on December 9th to include location quotients (LQs). Location quotients compare the concentration of an industry within a specific area to the concentration of that industry nationwide. Location quotients were calculated for each of the data points within these files. The legacy format ENB/END files and the SIC history files were not part of this update.
The new QCEW location quotients are available from the Open Data Access files and from the CSV files on the QCEW Data Files page. Location quotients are also available from the State and County Map application, and the high level county files.
On December 2nd, BLS released updated file format documentation here (CSV) and here (Open Data) to allow users to prepare for the new format. With the December 9th release, this documentation now reflects the standard formats used in the CSV files and the Open Data Access files.
Last Modified Date: January 8, 2015