Contains cost indices (purchase of materials and fuels, earnings and National Insurance, general expenses and combined costs) relating to four aerospace and electronics industries. The data are based on the revised Standard Industrial Classification SIC (2007) and are calculated on a base year of 2005=100. The indices are widely used by government and business as an authoritative source of information on inflation, cost adjusting and price variation in trading contracts. Source agency: Office for National Statistics Designation: National Statistics Language: English Alternative title: MM19