Business Turnover Index Weightings. Base 2021 National indices: overall and by sectors Unidades: %1000 ;2021; General index;100; Mining and quarrying industries and manufacturing;29,954; Supply of electrical energy and water, sanitation and waste management;7,166; Wholesale and retail trade; repair of motor vehicles and motorcycles;42,519; Non-financial market services;20,361; Notas: Fuente: