The pie charts illustrate the proportion of five different genres of books purchased from 1972 to 2012 in a particular store: Adult fiction, Children’s fiction, Biography, Travel, and others, by percentages. Overall, it is evident that both adults and children’s fiction had an upward trend, while others showed a downward trend over time.
From a broader perspective, in 1972, there was a relatively similar proportion among the five categories. By 1992, Adult fiction, children’s fiction, and travel books slightly increased, with adult fiction having 5% up, surpassing others, followed by children’s fiction and travel books. In contrast, both biographies and other books showed a gradual decline, with 5% down.
Another notable feature is the dramatically modified proportion of five genres of books purchased in a particular store. In the next 20 years, adult fiction dramatically progressed, reaching 45%, which is the highest book sales among others. Simultaneously, children’s fiction also showed a mild increase, at 25%. While others had a sharp diminish, with a relatively similar number.
In conclusion, between 1972 to 2012, both adult fiction and children’s fiction genres had a significant surge in purchases over time, with adult fiction outnumbered other categories. Meanwhile, other genres exhibited a continuous decrease, indicating that readers prefer reading fiction genres of books.