Average annual percent changes in unit labor costs, selected industries, 1990-99 Percent change Variety stores -5.7 Radio/TV/computer/&music stores -5.6 Misc. general merchandise stores -3.5 Household appliance stores -3.4 Used merchandise stores -3.1 Retail nurseries, lawn and garden supply stores -2.8 Women's clothing stores -2.3 Nonstore retailers -2.0