- Type of operation: continuous annual periodicity (before 2022, biennial periodicity).
- Population scope: legal units with 20 or more employees, whose main activity is included in Sections B (mining and quarrying) or C (manufacturing) of CNAE-2009.
- Geographical scope: the entire national territory.
- Reference period: the calendar year, which, with some exceptions, coincides with the accounting year of the company.
- Sample size: Biphasic sampling (14,000 units in the first phase and 5,130 in the second)..
- Collection method: completion of the questionnaire by the informant, mainly via the Internet (IRIA system).
- Standardised Methodological Report
- File in the Inventory of Statistical Operations: 30070
Methodology documents, questionnaires, classifications...