Construction materials (natural stone, sand, gravel, limestone): 40% Fossil fuels (oil, gas, coal, lignite): 25% Biomass (forestry products, agricultural products): 25% Industrial minerals (salt, sand, potash, clay) and metals (iron, zinc, aluminium): 9%
Matériaux de construction (pierre naturelle, sable, gravier, chaux) : 40% Combustibles fossiles (pétrole, gaz, charbon, lignite) : 25% Biomasse (produits sylvicoles, produits agricoles) : 25% Minerais industriels (sel, sable, potasse, argile) et métaux (fer, zinc, aluminium) : 9%