Bureau of Labor Statistics (BLS) - Quarterly Census of Employment and Wages (QCEW)

The <b>Quarterly Census of Employment and Wages (QCEW)</b> program provides several different types of data files. These files are available for download. Data classified using the North American Industry Classification System (NAICS) are available from 1990 forward [in this archived dataset, through 2024], and on a more limited basis from 1975 to 1989. NAICS-based data files from 1990 to 2000 were re-constructed from data classified under the Standard Industrial Classification (SIC) system. NAICS-based data files from 1975 to 1989 contain only totals by-ownership. NAICS data can be downloaded from the NAICS-Based Data Files table below.<br><br>Data classified using the Standard Industrial Classification (SIC) system is available from 1975 through 2000. SIC data can be downloaded from the second table below titled SIC-Based Data Files.<b>就业与工资季度普查（Quarterly Census of Employment and Wages, QCEW）</b>项目提供多种类型的数据文件，所有文件均可下载。采用北美行业分类体系（North American Industry Classification System, NAICS）分类的数据可追溯至1990年（本存档数据集截至2024年），1975年至1989年的该类数据覆盖范围相对有限。1990年至2000年的NAICS分类数据文件系由标准行业分类体系（Standard Industrial Classification, SIC）下的分类数据重构而来。1975年至1989年的NAICS数据文件仅包含按所有制类型划分的汇总数据。NAICS分类数据可通过下方的"NAICS分类数据文件"表格下载。<br><br>采用标准行业分类体系（SIC）分类的数据可覆盖1975年至2000年。SIC分类数据可通过下方第二张题为"SIC分类数据文件"的表格下载。