All factors are multiplicative.
Seasonally adjusted series are computed by dividing the original value by the corresponding seasonal factor. Transportation equipment Motor vehicles and equipment Local and interurban passenger transit Educational services Membership organizations Women Workers Seasonal Adjustment Factor File Seasonal adjustment factors are not computed for the following industry because the seasonal component, which is small relative to the trend-cycle and irregular components, cannot be separated with sufficient precision. Transportation equipment Production Workers Seasonal Adjustment Factor File Seasonal adjustment factors are not computed for the following industries because the seasonal component, which is small relative to the trend-cycle and irregular components, cannot be separated with sufficient precision. Transportation equipment Motor vehicles and equipment Average Weekly Hours Seasonal Adjustment Factor File Seasonal adjustment factors are not computed for the following industries because the seasonal component, which is small relative to the trend-cycle and irregular components, cannot be separated with sufficient precision. Services No moving-holiday adjustment was done for April or September for the following industries, because there was no evidence of significant effects associated with the relative timing of Easter or Labor Day, respectively, and the reference period of the payroll survey.