Travel Retail Market Size, Share & Industry Analysis, By Product Type (Beauty & Personal Care, Alcoholic Beverages, Tobacco & Nicotine Products, Confectionery & Food Products, Fashion & Accessories, and Consumer Electronics), By Sector (Duty Free and Duty Paid), By Retail Location (Airports, Border Shops & Land Crossings, Downtown & City-Centre Stores, Cruise Ships & Seaports, and Railway Stations), By Age Group (Below 18 Years, 18-34, 35-49, 50-64, and 65 & Above), By Sales Channel (Physical Store-Based Retail, Online & Mobile Retail, and Onboard Retail), and Regional Forecast, 2026-2034