The two pie charts compare the expenses of US residents in two different years in seven categories from 1966 to 1996.

The two pie charts compare the expenses of US residents in two different years in seven categories from 1966 to 1996. The data is calibrated in percentage. Overall, expenses on cars, restaurant, and computers revealed a positive trend, however, expenses on remaining items showed a decrease in given period. It is clear that the largest ratio of American citizens spending went on foods and cars. On the other hand, computer and books had the lowest percentage in the chart in 1966 and 1996 respectively. However, the percentage for car rose to nearly double at 45% in 1996. Whereas, the proportion of spending on food fell from 44% in 1966 to only 14% in 1996. The drastic change was seen for computers it stood at only one percent in 1966 but reached 10% in 1996. There was a two-fold increase in restaurant spending by American citizens, from 7% in 1966 to 14% in 1996. Whereas, a significant decrease was seen for books purchasing. Surprisingly, over a period there was no marked change in the ratio of petrol and furniture.