The pie charts provide information about how much money individuals spent on seven different items between 1971 and 2001 in the UK. Overall, while the figures for computers, restaurants, and cars increased, the reversal pattern was true for categories such as books, furniture, petrol and food. In addition, the amount of money allocated to cars rose noticeably compared to that of food, which saw a substantial decline.
Focusing on increases first, starting at just 2% in 1971, the spending on computers experienced a noticeable increase, reaching 22% in 2001. Similarly, the figure for restaurants made up 7% in 1971, and this was followed by a marginal growth to 14% in 2001. Regarding cars, there was a considerable rise in the amount of money distributed to cars from 22% in 1971 to 43% in the final year.
Turning to the remaining categories, the amount of money allocated to books decreased significantly, from 6% in 1971 to 1% in 2001, reaching the lowest point. In terms of furniture and petrol, both of them witnessed a noticeable fall, with the former decreasing from 9% to only 8% and the latter from 10% to 8%, between 1971 and 2001. Finally, a significant decline was observed in the expenditure on food, dropping considerably from 44% to 14%, at the end of the given period.