The IVGS at current prices in Catalonia decreased by 1.8% on year-over-year data for August 2017. In terms of product groups, sales of food products decreased by 2.1% and the rest of products decreased by 1.5%.
The large stores sales index provides monthly information on the evolution in the volume of sales in retail commercial establishments defined as large non-specialised stores (2,500 m2 of sales area). Idescat presents the results that were obtained by means of exhaustive information on all the non-specialised large stores operating in Catalonia. With regard to the data for Spain, the INE computes a large store sales index that includes both non-specialised and specialised stores.