The pie charts illustrate the proportion of both people spending money on food and cooking at home in 1970, 1980, 1990, and 2000. While the line graph demonstrates the number of meals eaten at both fast food restaurants and sit-down restaurants from 1970 to 2000.
Overall, families consumed less home cooked meals over the period. Besides, the number of restaurant meals were primarily bought from fast food restaurants.
In the pie chart, in 1970, the percentage of home cooking was higher than the proportion of restaurant meals with 90% and 10%. However, in 1980, the trend was changed, the percentage of home cooking decreased to 85% while the proportion of restaurant meals increased to 15%. Both in 1980 and in 1990, cooking at home decreased significantly to 35% in 1990 and 50% in 2000. Opposite that, the restaurant meals increased strongly to 65% in 1990 and the same home cooking in 2000.
In the line graph, in 1970, the number of meals eaten both fast food meals and sit-down restaurant meals were 20 meals. In 1980, the number of sitdown restaurant meals was higher than the figure for fast food meals with increasing approximately 40 meals for sitdown restaurant meals while rising nearly 30 meals. After 20 years, the quantity of fast food meals increased significantly with around 90 meals. On the other hand, the number of sitdown restaurant meals rose slightly around 50 meals per year.