retail industry indicators prepared for the nrf foundation non profit research and education of national federation august 2005 all rights reserved 1st printing data included in this report are most current information available as publication updated may be obtained from following sources us department commerce bureau census www gov economic analysis bea labor statistics bls small business administration office advocacy sba was by trade partnership washington dc table contents important note about iii naics definition categories iv sic v chapter i retailing s contribution to economy 1 tables value gdp sector 2004 3 2 activity generated sales 4 figures share effects ii 5