The bar graph indicates sales figures for reading materials from 2002 to 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates sales figure for reading materials over the 10 years from 2002 to 2012. Overall, History books showed an upward trend in all years, while Hobbies books accounted for a small amount over the specified period. A detailed observation shows that the number of History books ended at approximately 8 in 2012, before […]