The pie charts depict the expenses (food, cars, petrol, restaurants, furniture, computers, and books) in the US between two years (1966 and 1996).
Overall, food was the major purchased item in 1966, whereas in 1996 cars took the first place in the US expenditures. Computers had the lowest proportion in the first year. This changed after thirty years for books, which became the least bought element.
The highest expenditure was on food, which accounted for 44% in 1966. However, it decreased to 14% in the next thirty years. On the other hand, 45% of people preferred spending money on cars in 1996, which was 20% higher than it was in 1996. Furthermore, restaurant visitors rose by about twofold (from 7% to 14%).
In addition, furniture and petrol expenses declined slightly to 8% in 1996. computers’ purchasing climbed dramatically from 1% to 10 % in thirty years. In contrast, the proportion of spendings on books fell over the years and accounted for 1% only