The Bureau of Labor Statistics (BLS) reported Wednesday that retail sales clerk and cashier were the two largest occupations in the United States in May 2014, with their numbers increasing slightly since 2013. In its annual report on wages and occupational employment, the BLS found that 4.6 million Americans worked in retail sales while 3.4 million more worked as cashiers, making up almost six percent of total U.S. employment. The two job categories increased by a combined 400,000 workers since 2012. Retail workers made $24,020 a year on average, while cashiers made $20,670, according to the BLS. …