The pie charts give information regarding the expenditure patterns of individuals on habits in the UK between 1971 and 2001. Overall, expenditure on computers, restaurants, and cars increased, whereas the reverse was true for books, furniture, petrol, and food. Notably, food was the dominant category in 1971, although cars overtook it by 2001.
In terms of the increases, starting at only 2% in 1971, people’s spending on computers rose considerably to 12% in the final year. Spending on restaurants doubled from 7% to 14% in 1971 and 2001, respectively. Similarly, cars represented a noticeable rise from 22% in 1971 to 43% by the end of the period, making it the largest category among others.
Regarding the remaining categories, the proportion of books started at 6% in the initial year, after which it dipped minimally to a mere 1% by the final year. Both furniture and petrol underwent an identical drop to 8% by 2001, down from 9% and 10% at the beginning of the period. Lastly, expenditure on food accounted for 44% in 1971, and this figure saw a dramatic decline to 14% in the final year.