The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012

The Pie Chart displays the sales of five kinds of books sold by a bookseller in 1972, 1992, and 2012.

Overall

, It is readily apparent that Adult

fiction

became the most popular by the year 2012 and other genres declined (Biography, Travel, and Others) As well, interest in Children's

Fiction

increased.

Firstly

, The percentage of Adult

fiction

sold increased over the years but rose significantly during 1992-2012, (20%, 25% to 45%)

In addition

, The proportion of children's

fiction

bought increased slightly throughout the years from 20%, 22%, to 25%.

On the other hand

, The percentage of retail

of

Change preposition

apply

show examples

biography and 'others' dropped

by

Change preposition

in

show examples

2012 from 20% to 15% to 8% and from 25% to 20% to 12% respectively.

In contrast

, the figure of the genre Travel sold fluctuated over the years. It was 15% in 1972 and

then

rose to 18% in 1992 but

then

declined to 10% in 2012