Polystyrene Market By Type (General Purpose Polystyrene (GPPS), High Impact Polystyrene (HIPS), Expanded Polystyrene (EPS) & Extruded Polystyrene (XPS), Others), By Form (Foams, Films and Sheets, Others), By End User (Automotive, Packaging, Building and Construction, Electrical and Electronics, Consumer Goods, Healthcare, Others), Industry Analysis, Size, Share, Growth, Trends, and Forecasts 2025-2032