The turnover generated by wholesale companies in Catalonia was 78,808 million euros in 2014, according to the Annual Survey of Services. For the service sectors as a whole, wholesale trade generated the greatest turnover and the greatest value added (11,116 million euros), while retail trade employed more people (287,333 employed persons).
The Annual Survey of Services is a sample-based survey that is produced annually by the INE in order to study the economic characteristics of companies in almost all of the market services sector (number of establishments, employment, income and operating costs, etc.) and estimate the main micromagnitudes. Idescat makes a detailed treatment for Catalonia.