How often is fast foods consumed?

Fast food is a growing component of the American diet, and the frequency of fast-food use has increased dramatically since the early 1970s. The number of fast-food outlets increased from about 30, 000 in 1970 to 140, 000 in 1980, and fast food sales increased by about 300%. Recent estimates show that in 2001, there were about 222, 000 fast-food locations in the United States, generating sales of more than $125 billion. Three often consumers agreed that meals at a restaurant or fast-food establishment are essential to the way they live

I only eat fast food maybe once in a while, where i can control how much i take in, in order to understand my body on what i eat, i rather a home cooked meal done by my family or me, because i have a control of what i eat.