The given pie charts illustrate the proportions of books with different topics sold by merchants from 1972 to 2012.
Overall
, it is readily apparent that all categories underwent a moderate fall, except for adult and children's fiction, which experienced steady increases in their proportion.
In terms of books sold in 1972, biographies and others stood at 20% and 25% respectively, before experiencing a stable decline by 13% and 12% in 2012. As for the travel books, they stood at 15% at the beginning of the period, before rising decently to 18% in 1992. Linking Words
Subsequently
, it drastically plunged and hit a trough of 8% in the final period.
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Furthermore
, both adult and children's fictions were witnessing a steady growth of 25% and 15% respectively until they reached their peak in 2012. Linking Words
Thus
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due to
its dramatic rise, adult fiction contributed almost half of the total proportion in the final year.Linking Words