The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012.
The given pie charts illustrate the number of books sold by sellers over a period of 40 years, from 1972 to 2012. Units are measured by percentage.
Overall
, it can clearly be seen that the portion was almost the same unless in 2012.
In terms of the highest portion in 1972, it began with precisely 25 and experienced a slight decrease to just 20 and 12 in the second and third periods, respectively. In addition
, Biography had a similar pattern which stood at 20 in the first period but after 20 years, it declined to 15 and finished almost half value.
Regarding adult friction, started at one-fifth and then
witnessed a small rose to 25. From this
point onwards, it reached a peak of approximately 45. Moreover
, children's friction, had an upward trend from 20 to exactly 25 by 40 years. Interestingly, different from others, travel had a fluctuating condition which started from 15 and got a small growth to 18, but dropped dramatically in the final year.Submitted by donihabiburrahman8 on
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Vocabulary: The word "almost" was used 2 times.
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