The chart below illustrates the percentages of sales of one bookseller in 1972, 1992 and 2012. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The given charts showcase the proportion of sales of a book store, categorised by five different genres in 1972, 1992 and 2012. In general, the sales of each genres in 1972 and 1992 share identical statistics with no noticeable figure. Notably, in 2012, the percentages of adult fiction outnumbered others faction, claiming the leading position. […]