Table 1 List of aggregated sectors in the study

1. Agriculture

6. Electricity

 1. Agriculture, hunting, forestry, and fishing

 21. Electricity, gas, water supply, sewerage, waste, and remediation service

2. Mining and quarrying

7. Transportation and telecommunication

 2. Mining and extraction of energy-producing products

 22. Transportation and storage

 3. Mining and quarry of non-energy producing products

 23.Telecommunications

 4. Mining support service activities

 24. Publishing, audio-visual, and broadcasting activities

3. Textile

 25. IT and other information services

 5. Textile, wearing apparel, leather, and related products

8. Construction

4. Food and beverage

 26. Construction

 6. Food products, beverages, and related products

9. Wholesale and retail

5. Other manufacturing

 27. Wholesale and retail trade; repair of motor vehicles

 7. Wood and of products of wood and cork (except furniture)

10. Financial and insurance

 8. Paper products and printing

 28. Financial and insurance

 9. Coke and refined petroleum products

11. Real estate

 10. Chemicals and pharmaceutical products

 29. Real estate activities

 11. Rubber and plastics products

12. Public administration

 12. Other non-metallic mineral products

 30. Public administration and defense; compulsory social security

 13. Manufacture of basic metals

13. Education

 14. Fabricate metal products, except machinery and equipment

 31. Education

 15. Computer, electronic and optical products

14. Human health and social work

 16. Electrical equipment

 32. Human health and social work

 17. Machinery and equipment

15. Tourism

 18. Motor vehicles, trailers, and semi-trailers

 33. Accommodation and food services

 19. Other transport equipment

 34. Arts, entertainment, recreation, and other service activities

 20. Other manufacturing; repair, and installation of machinery and equipment

 35. Other business sector services