- Research the amin structural and characteristics and activity of the trade, tourism, transport and other services sectors.
- Institutions that intervene
- General description (main variables)
- Employed personnel, turnover, operating income and expenses, consumption, personnel costs, taxes and investments. By a combination of census and sample.
- Companies, and in some cases, establishments
- Frequency of data collection
- Budgetary credits necessary for its finance in the four-year period 2001-2004 (in thousands euros)