The given pie charts illustrate the information of average food budget each family spent on meals between 1970 and 3000, while the line graph represents the number of annual fastfood and sitdown restaurant meals.
Overall, the percentage of food budget spent on home cooking was higher than that of restaurant meals. It can be seen that there was an upward trend in both of fastfood meals and sitdown restaurant meals over the period.
According to the data, between 1970 and 1990, home cooking was spent on a higher proportion at 90%, 85% and 65%, compared to budget spent on restaurant meals was at 10%,15% and 35%. It is interesting that both figures share the same proportion at 50% at the end.
In terms of the number of meals, both figures started at the same number at 20. During 1980, the figures for fastfood and sitdown increased slighly to approximately 29 and 33, respectively. After that the number of fastfood meals experienced a sharp rise to 85, surpassing that of the sitdown meals being almost 50.