The pie charts give information about the selling of different types of books in 1970, 1992 and 2012. The data is in percentage.
Overall, it is seen clearly from the graphs, the adult fiction type of book was the most popular in the last years.
Looking at the chart in more detail, it is evident that the amount of travel book which sold increased from 15 % in 1972 to 18% in 1992. The selling ratio of adult and children's fiction book was the same at 20% in 1972, but that number rose and reached 25% and 22% respectively in 1992. In contrast, the percentage of biography book, which sold declined from 20% in 1972 to 15% in 1992.
Turning to the remaining data, 10% of books were travel book which sold in 2012. The sale ratio of children's and adult fiction books was 25% and 45%, respectively. The selling of biography books was 8% in 2012, 12% of the book was the other category book.
The pie charts give information about the selling of
different
types of
books
in 1970, 1992 and 2012. The data is in percentage.
Overall
, it is
seen
clearly
from the graphs, the adult fiction type of
book
was the most popular in the last years.
Looking at the chart in more detail, it is evident that the amount of travel
book
which sold increased from 15 % in 1972 to 18% in 1992. The selling ratio of adult and children's fiction
book
was the same at 20% in 1972,
but
that number rose and reached 25% and 22%
respectively
in 1992.
In contrast
, the percentage of biography
book
, which sold declined from 20% in 1972 to 15% in 1992.
Turning to the remaining data, 10% of
books
were travel
book
which sold in 2012. The sale ratio of children's and adult fiction
books
was 25% and 45%,
respectively
. The selling of biography
books
was 8% in 2012, 12% of the
book
was the other category
book
.