The three pie charts give information about five diffirent kinds of books was sold over a 40-year period from 1972 to 2012.
It is clear that in 1972, others represented the largest proportion of persent (25%). But this figure declined by 5%, befor hitting a trough, with total 12% persent of bought books in 2012. The percentage of adult fiction increased through the all three time of period. With low scor of 20% at fist chart and then reached just about half of all chart.
According to the figures, sold biography books made up small minority of the total. It stood at 20% in 1972 but unfortunately decreased to the point 8% at the end of the period. Althought all the figures was unstable, children’s fiction remianed stable at the point 20 %, increasing sometime but did not lowered than 20%.
Overall, while other kinds of books was the most common tipe to be sold and was in the first place in 1972 , adults fiction hitted the highest point over than 40 years ago.