Petrochemical Market Segmentation by Products (Methanol, Ethylene, C4 Stream, Propylene, Toluene, and Xylene); by End-User (Aerospace, Agriculture, Automotive, Construction, and Others); and by Application (Polymers, Solvents, Paints and Coatings, Rubber, Adhesives & Sealants, Pigments & Dyes and Others) – Global Demand Analysis & Opportunity Outlook 2031