The supplied chart denotes the frequency of fast food consumption in the USA from 2003 to 2013.
Overall, the majority of people ate fast food once a week in 2003. However, ten years later, the most common frequency was replaced by people eating fast food one or two times a month. Throughout this period, the percentage of people eating fast food every day was the lowest.
In 2003, the percentage of people in USA who ate fast food once a week and those who ate it once or twice a month was nearly equal, approximately 30%. Three years later, the percentage of people eating fast food once a week increased slightly, peaking at approximately 33%, while the percentage of people eating fast food once or twice a month gradually decreased to a quarter. In 2013, the percentages had reversed, the proportion of people eating fast food once a week decreased slightly to around 28%, while those eating fast food once or twice a month increased gradually, hitting its peak of around 33% and matching exactly the peak of the former.
In addition, the proportion of people consuming fast food every day and those who never used fast food was similar, at approximately 5% in 2003, and remained stable at just under 5% until 2013. Similarly, the percentage of people who used fast food a few times a year remained at around 15% over the period. Moreover, the percentage of people eating fast food several times a week rose to 20% in 2006 before returning to its starting point of around 16%.