The pie charts demonstrate data on book sales of various categories in a bookseller in the year of 1972, 1992 and 2012.
Overall, it can be seen that there was an increase in the proportion of sales of adult fiction and children’s fiction, while people spent less money on biographic books, travel and others. In addition, people showed more interest with adult fiction than other genres at the end of the period.
In 1972, adult fiction accounted for 20% in the total of book sales, while children’s fiction and biography shared the same figure. In 1992, the sales of adult fiction and children’s fiction experienced a slight increase to 25% and 22% respectively. Meanwhile, the figure for biography showed a modest decrease of 5% in the same time frame. Moreover, adult fiction became by far the most popular type at the expense of the genres, accounting for 45% of total of book sales. Besides, children’s fiction only showed a slight rise to 25% in the total of book sales, compared to biography, only 8% at the end of the period.
In terms of travel and others, travel genre made up 12% in the total of book sales in 1972, then witnessing a modest increase to 18% before declining of 8% in 2012. The figure for others accounted for a quarter in the the chart in 1972, before dropping significantly to only 12% in 2012.
