Tendency of the USA citizens to have quick meals at restaurants

Tendency of the USA citizens to have quick meals at restaurants, is demonstrated in percentage. The chart mainly presents how often people had been served at the premises during the years 2003, 2006, and 2013. Overall, the first and the last groups acquired the least percentage among the Americans. More specifically, people who eat fast-food either daily or never, were not more than 5 per cent for these particular years. However, the third and forth categories, those eating at fast-food outlets once a week or "once or twice a month", were the largest group of inhabitants, presenting 25 per cent and above in any of the three years. Besides, in the current groups, "once a week" regularity gained it's extreme level in 2006, and "once or twice a month" prevalence obtained it's peek stage in 2013, namely over 32 per cent, identical for both. On the other hand, as a moderate portrays, approximately between 15 to 20 per cent of Americans, consumed quick meals at restaurants either a few times a year or several times a week, in all the three years.