| agricultural sector | Section A - Agriculture, hunting and forestry; Section B - Fishing |
| industrial sector | Section C - Mining and quarrying; Section D - Manufacturing; Section E - Electricity, gas and water supply; Section F - Construction |
| services sector | Section G -Wholesale and retail trade; repair of motor vehicles, motorcycles and personal and household goods; Section H - Hotels and restaurants; Section I - Transport, storage and communication; Section J - Financial intermediation; Section K - Real estate, renting, research and development, and business activities; Section L - Public administration and defence; compulsory social security; Section M - Education; Section N - Health and social care; Section O - Other community, social and personal services activities; Section P - Private households with employed persons; Section Q - Extra-territorial organizations and bodies |