The pie charts illustrate the number of sales for a bookseller across five different categories, including Adult Fiction, Children’s Fiction, Biography, Travel, and Others in 1972, 1992, and 2012.
Overall, it is evident that Adult Fiction witnessed the most dramatic increase in total sales over the years, particularly by 2012. Conversely, sales of genres like Travel and Others experienced a decline over time. While Children’s Fiction remained fairly steady, Biography showed a substantial decrease by 2012.
In 1972, the percentage of sales was relatively balanced across the genres, and Others accounted for the largest portion with 25%. By 1992, the share of Adult Fiction, Children’s fiction and Travel had increased slightly to 25%, 22%, and 18%, respectively. The categories of Others and Biology slightly declined to 20% and 15%, respectively.
In 2012, Adult Fiction had surged to 45%, becoming the best-selling category in the bookseller. Children’s Fiction continued to grow slightly to 25%. In contrast, Biography and Travel experienced sharp declines, comprising only 8% and 10% of sales, respectively. The “Others” category continued to shrink to 12% of the total sales in 2012.