The bar graph provides information about the comparison and the changes in the proportion of Americans, those who commonly ate fast food in the restaurants from 2003 to 2013.
Overall, it is evident that the trend of people who frequently ate fast food varied, except for those who tend to eat every day, a few times a year, and never, which remained essentially unchanged.
Looking into more detail, firstly, the percentage of whom eating for both several times a week and once a week slightly increased between 2003 and 2006, as they accounted from approximately 17% to 20% for the former, and making up from around 31% to roughly 33% for the latter, however, in 2013, these share dropped at almost 15% and close to 28% each. Secondly, the proportion of Americans who eat once or twice a month rose to around 33% in 2013, except for a noticeable decrease in 2006.
Lastly, in 2003, the percentage of people who ate every day, a few times a year and never stood at nearly 5%, exactly 5%, and approximately 13%, respectively. Afterwhich, they remained stable at around 4% for every day and never, and stood at precisely 15% for a few times a year.