its workforce. These issues involve low wages, poor working conditions, inadequate health care, as well as issues involving the company's strong anti-union policies. In November 2013, the National Labor Relations Board (NLRB) announced that it had found that in 13U.S. states Walmart had pressured employees not to engage in strikes on Black Friday, and had illegally disciplined workers who had engaged in strikes. Critics point to Walmart's high turnover rate as evidence of an unhappy workforce, although other factors may be involved. Approximately 70percent of its employees leave within the first year. Despite this turnover rate, the company is still able to affect unemployment rates. This was found in a study by Oklahoma State University which states, "Walmart is found to have substantially lowered the relative unemployment rates of blacks in those counties where it is present, but to have had only a limited impact on relative incomes after the influences of other socio-economic variables were taken into account." Wages Walmart reports that in 2006 its workers earned an average of $10.11 per hour. Human Rights Watch estimates that this is below the average of $10.24 earned by workers at discount department stores, $10.55 at warehouse clubs and supercenters, and $11.12 at grocery stores. Walmart managers are judged, in part, based on their ability to control payroll costs. The Wall Street Journal says this puts extra pressure on higher-paid workers to be more productive. Walmart insists its wages are generally in line with the current local market in retail labor. Other critics have noted that in 2001, the average wage for a Walmart Sales Clerk was $8.23 per hour, or $13,861 a year, while the federal poverty line for a family of three was $14,630. Walmart founder Sam Walton once said, "I pay low wages. I can take advantage of that. We're going to be successful, but the basis is a very low-wage, low-benefit model of employment." In August 2006, Walmart announced that it would roll out an average pay increase of 6% for all new hires at 1,200 United States Walmart and Sam's Club locations, but at the same time would institute pay caps on veteran workers. While Walmart maintains that the measures are necessary to stay competitive, critics believe that the salary caps are primarily an effort to push higher-paid veteran workers out of the company. In 2008, Walmart agreed to pay at least $352 million to settle