Average hourly earnings, occupations with employment of over 2 million, May 2005 Employment Mean hourly wages Combined food preparation and serving 2,298,010 7.48 workers,including fast food Waiters and waitresses 2,274,770 7.84 Cashiers 3,481,420 8.32 Janitors and cleaners, except maids 2,107,360 10.15 and housekeeping cleaners Laborers and freight, stock, and 2,363,960 10.80 material movers, hand Retail salespersons 4,344,770 11.14 General office clerks 2,997,370 11.82 Customer service representatives 2,067,700 14.27 Registered nurses 2,368,070 27.35