The bar chart illustrates the sales figures for five distinct categories of books between 2005 and 2015, measured in thousands of copies.
Overall, sales for all five types of books showed an upward trend over the ten-year period. Children's Books and Fiction consistently had the highest sales by the end of the period, while Science books remained the lowest throughout.
Fiction books began with sales of 120,000 in 2005 and experienced a steady increase, reaching 155,000 copies by 2015. Similarly, Children's Books saw the most significant growth, starting at 90,000 copies and climbing to become the best-selling category at 160,000 by the end of the period.
In contrast, Non-fiction, Educational, and Science books also increased, but at a slower rate. Non-fiction sales rose from 100,000 to 120,000 copies. Educational books followed a similar pattern, growing from 80,000 to 120,000. Science books consistently had the lowest figures, starting at 60,000 and reaching 85,000 copies in 2015.