The three pie charts illustrate how percentage of five different books sold by a bookseller in three separate years.
Overall, the downward trend can be seen in the biography, travel and others categories, while the adult and children’s fiction represented a reverse over the period . Notably, adult fiction remained with the largest share in last two years sold.
To begin with, the almost quarter of the sold books was adult fiction with shows 20%, with significantly rose to 45% in the final year took the first place among the other sold book categories. Children’s fiction fallowed with 20% beginning the year increased by 5% and took the second place after the former by sold books in years 2012.
Looking at the travel and biography categories sales in 1972 showed 15 % and 20 % in series at the beginning the year , and saw a decline to 10 % former and 8% latter to the end of years. Finally, the sold of other books shows 25 % in the 1972 but this trend reversed with sharply go down 12% in the 2012