The illustrations demonstrate the proportion of books sold by different sorts between 1972 and 2012.
Overall
, there was an increase in the percentage of Linking Words
adult
and children sorts, Fix the agreement mistake
adults
while
the opposite was true for the data Linking Words
of
biography, Change preposition
on
traveling
, and other genres. Change the spelling
travelling
Additionally
, the mean of other types of books stayed at the highest position before being replaced by adult fiction from 1992 onwards.
The proportion of adult novels started at 20% in 1972, after which it experienced a slight growth to 25% in 1992, before ending the period at 45% Linking Words
due to
a significant rise, which was double that of the figure for the first Linking Words
year
. Similar changes but with Use synonyms
smaller
extent could be seen in the sales of Correct article usage
a smaller
children
Change noun form
children's
fictions
, which was at 20% in 1972, followed by a minute climb to 22% after two decades, and ended at 25% in the final Fix the agreement mistake
fiction
year
.
25% was the sale of other kinds of books in the first Use synonyms
year
of the time, with a marginal decrease to 20% in the next twenty years and a final remarkable drop to 12% in 2012. (...) The figures for Use synonyms
traveling
and biography genres saw equivalent changes, starting at 15% and 20% in 1972, reaching 10% and 8% in the final Change the spelling
travelling
year
respectively, despite a small rise of travel novels to 18% in 1992.Use synonyms
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