The given pie charts illustrate the proportions of books with different topics sold by merchants from 1972 to 2012. Overall, it is readily apparent that all categories underwent a moderate fall, except for adult and chil
The given pie charts compare the proportion of five different categories of books sold by a bookseller in three years, 1972, 1992 and 2012, respectively.
The pie charts compare the proportion of sales in five book genres in 1972, 1992, and 2012. Overall, adult and children’s fiction became more popular over the forty-year period, whereas the share of sales for travel book
The pie charts provides data about the rate of books sales that in 5 categories (travel, biography, children's fiction, adult fiction and others) by a bookseller from 1972 to 2012.
The pie charts illustrate the proportion of five different kinds of books which sold by a bookstore from 1972 to 2012. It is clear that both Adult fictions and Children ones had an upward trend although, Biography and th