indicative of financial failure.) The three-year failure rate for franchises was nearly the same. Restaurants employed 912,100 cooks in 2013, earning an average $9.83 per hour. The waiting staff numbered 4,438,100 in 2012, earning an average $8.84 per hour. Jiaxi Lu of the Washington Post reports in 2014 that, "Americans are spending $683.4 billion a year dining out, and they are also demanding better food quality and greater variety from restaurants to make sure their money is well spent." Dining in restaurants has become increasingly popular, with the proportion of meals consumed outside the home in restaurants or institutions rising from 25% in 1950 to 46% in 1990. This is caused by factors such as the growing numbers of older people, who are often unable or unwilling to cook their meals at home and the growing number of single-parent households. It is also caused by the convenience that restaurants can afford people; the growth of restaurant popularity is also correlated with the growing length of the work day in the US, as well as the growing number of single parent households. Eating in restaurants has also become more popular with the growth of higher income households. At the same time, less expensive establishments such as fast food establishments can be quite inexpensive, making restaurant eating accessible to many. Employment The restaurant industry in the United States is large and quickly growing, with 10 million workers. 1 in every 12 U.S. residents work in the business, and during the 2008 recession, the industry was an anomaly in that it continued to grow. Restaurants are known for having low wages, which they claim are due to thin profit margins of 4-5%. For comparison, however, Walmart has a 1% profit margin. As a result of these low wages, restaurant employees suffer from three times the poverty rate as other U.S. workers, and use food stamps twice as much. Restaurants are the largest employer of people of color, and rank as the second largest employer of immigrants. These workers statistically are concentrated in the lowest paying positions in the restaurant industry. In the restaurant industry, 39% of workers earn minimum wage or lower. Regulations In many countries, restaurants are subject to inspections by health inspectors to maintain standards for public health, such as maintaining proper hygiene and cleanliness. The most common kind of violations of inspection reports are those concerning the storage of cold