Average annual percent changes in output per hour, selected manufacturing industries, 1990-98 Percent Industry change Computer and office equipment 32.9 Electronic components and accessories 24.4 Women's and children's undergarments 9.8 Communication equipment 8.2 Ophthalmic goods 7.2 Public building and related furniture 7.0 Men's and boys' furnishings 6.3 Electrical industrial apparatus 5.3 Broadwoven fabric mills, manmade 5.2