The provided charts offer insight into the proportion of books sold by a bookseller via five different kinds in 1972, 1992 and 2012.
A noteworthy observation is that the majority of customers prefer adult fiction in three years examined. It is also evident that while the figure for adult and children’s fiction increased over 60 years, there were drops in selling books in biography, travel and others.
In all three years, adult fiction books was always the highest quantity, accounting for one-fifth of the total in the first year surveyed. Then this figure rose significantly to nearly a half of books sold in 2012. Conversely, the proportion of individuals buying children’s fiction went up slightly from 20% to 25% in the end of the period.
Regarding other kinds of books for selling, the percentage of buyers keen on biography had a dramatically decline, falling from 20% in 1972 to just under a tenth in 2012, thus becoming the least books sold. The demand for travelling books, however, slightly climbed to 18% before plummetting by 8% in 2012. Finally, other kinds of books showed noticeable tumble, dipping from one-fourth in 1972 to 12% in the last year examined.
