This table presents research and development (R&D) statistics on personnel in the business enterprise sector. Measured in full-time equivalent are the number of total R&D personnel and researchers in the business enterprise sector by industry according to the International Standard Industrial Classification (ISIC) revision 4. Data at the industry level are presented from 2000, first year from which some countries converted their data from ISIC rev.3.1 to the current ISIC rev. 4 classification.