The three given pie charts illustrate the popularity of different kinds of books during the period from 1972 to 2012. Overall, it can be vividly seen that the maximum sales were recorded for others books in1972, but adult fiction took the lead of in rest of the given period. Also, fiction books sales increased, while the popularity of remaining books either decreased or fluctuated. To begin with, in the year of 1972, the sale both adult fiction and children's fiction was 20% each. Both their sales inclined with time and in 2012 the contributuon of adults fiction sales was about 45%, whilst 25% children's fiction books was sold by booksellers in the same year. On the other hand, the proportion of the biography books decreased over period. It was 20% in 1972 and 15%1992, but in 2012 sales of biography books was 8%. The sales of travel books had been fluctuating, whereas popularity of other books decreased and it was 25%, 20%, and 12% in order to the year of 1972, 1992, and 2012.
The three
given
pie charts illustrate the popularity of
different
kinds of
books
during the period from 1972 to 2012.
Overall
, it can be
vividly
seen
that the maximum
sales
were recorded
for others
books
in1972,
but
adult
fiction
took the lead of in rest of the
given
period.
Also
,
fiction
books
sales
increased, while the popularity of remaining
books
either decreased or fluctuated. To
begin
with, in the year of 1972, the
sale
both adult
fiction
and children's
fiction
was 20% each. Both their
sales
inclined with time and in 2012 the contributuon of adults
fiction
sales
was about 45%, whilst 25% children's
fiction
books
was sold
by booksellers in the same year.
On the other hand
, the proportion of the biography
books
decreased over period. It was 20% in 1972 and 15%1992,
but
in 2012
sales
of biography
books
was 8%. The
sales
of travel
books
had been fluctuating, whereas popularity of other
books
decreased and it was 25%, 20%, and 12% in order to the year of 1972, 1992, and 2012.