21a. Temporary workers as a percentage of the workforce, construction versus non-construction, 2003-2014
21b. Temporary workers as a percentage of the workforce, by major industry, 2011-2014 average Use one round data
21c. Work arrangements, construction versus all industries, 2015 Use one round data
21d. Demographics of construction workers, temporary versus regular employment, 2011-2014 average
21e. Employment characteristics of construction workers, temporary versus regular employment, 2011-2014 average