| B-S | 
                                    Industry, construction and services (except activities of households as employers and extra-territorial organisations and bodies) | 
                                
                                
                                    | B-S_X_O | 
                                    Industry, construction and services (except public administration, defense, compulsory social security) | 
                                
                                
                                    | B-N | 
                                    Business economy | 
                                
                                
                                    | B-F | 
                                    Industry and construction | 
                                
                                
                                    | B-E | 
                                    Industry (except construction) | 
                                
                                
                                    | B | 
                                    Mining and quarrying | 
                                
                                
                                    | C | 
                                    Manufacturing | 
                                
                                
                                    | D | 
                                    Electricity, gas, steam and air conditioning supply | 
                                
                                
                                    | E | 
                                    Water supply; sewerage, waste management and remediation activities | 
                                
                                
                                    | F | 
                                    Construction | 
                                
                                
                                    | G-S | 
                                    Services (except activities of households as employers and extra-territorial organisations and bodies) | 
                                
                                
                                    | G-S_X_O | 
                                    Services (except public administration, defense, compulsory social security, activities of households as employers and extra-territorial organisations and bodies) | 
                                
                                
                                    | G-J | 
                                    Wholesale and retail trade; transport; accommodation and food service activities; information and communication | 
                                
                                
                                    | G | 
                                    Wholesale and retail trade; repair of motor vehicles and motorcycles | 
                                
                                
                                    | H | 
                                    Transportation and storage | 
                                
                                
                                    | I | 
                                    Accommodation and food service activities | 
                                
                                
                                    | J | 
                                    Information and communication | 
                                
                                
                                    | K-N | 
                                    Financial and insurance activities; real estate activities; professional, scientific and technical activities; administrative and support service activities | 
                                
                                
                                    | K | 
                                    Financial and insurance activities | 
                                
                                
                                    | L | 
                                    Real estate activities | 
                                
                                
                                    | M | 
                                    Professional, scientific and technical activities | 
                                
                                
                                    | N | 
                                    Administrative and support service activities | 
                                
                                
                                    | O-S | 
                                    Public administration and defence; compulsory social security; education; human health and social work activities; arts, entertainment and recreation; other service activities | 
                                
                                
                                    | O | 
                                    Public administration and defence; compulsory social security | 
                                
                                
                                    | P-S | 
                                    Education; human health and social work activities; arts, entertainment and recreation; other service activities | 
                                
                                
                                    | P | 
                                    Education | 
                                
                                
                                    | Q | 
                                    Human health and social work activities | 
                                
                                
                                    | R | 
                                    Arts, entertainment and recreation | 
                                
                                
                                    | S | 
                                    Other service activities |