Commodity Plastics Market Size & Share, By Product, Polyethylene, Polypropylene, Polyvinyl Chloride, Polyethylene Terephthalate, Polystyrene, Poly Methyl Methacrylate), End-use (Building and Construction, Packaging, Electrical and Electronics, Automotive and Transportation, Medical and Pharmaceutical, Textile, Consumer Durable Goods, Others) - Growth Trends, Regional Insights (U.S., Japan, South Korea, UK, Germany), Competitive Positioning, Global Forecast Report 2025-2034