The provided pie charts illustrate proportion of different types of book in terms of sold by a shop owner from 1972 to 2012.
Overall, it is clear that, selling of adult fiction book and children fiction were increased over the time. Meanwhile, selling of biography, travel and other books decreased in given time.
According to pie charts, as compare to last 40 years people showed their significant interest for adult fiction and children’s fiction books by 45% and 25% in 2012. In 1972 residence has bought 25% of other books and only 15% of travel books bought by them in same year. Just after 20 years, we can see that popularity of biography, children and adult fiction books rose up by around 4% in these categories.
As per pie chart of 2012, people dropped their huge amount of importance for travel, biography and other books by approximately 8% in given three types of books. In addition, selling of adult fiction books was almost half among given different book’s sell out of 100%.
