The given bar graph illustrates the changes in the total percentage of gross earnings from distinctive types of fictional book sales, including Young Adult, Classics, Mystery, Romance, and Sci-Fi & Fantasy, throughout four years beginning in 2006.
Overall, the category of History had the highest percentage from 2006 to 2010. In contrast to History, Sci-Fi & Fantasy had the lowest scale in the examined timescale. However, the proportion of Young Adult equaled Classics for three years between 2007 and 2009.
To begin, History constituted a large percentage in 2006, reaching around 80,000,00$, and increased significantly in 2007 with 30,000,00$ in book sales. From 2008 to 2010, History did not change much in percentage. Followed by History, Mystery had a high rate in 2006 and 2007 at around 60,000,00$ and 80,000,00$. Similar to History, Mystery did not modify throughout two years beginning from 2008.
Following that, Young Adult and Classics were identical in percentage from 2007 to 2009, capturing around 30,000,00$, but in 2006 and 2010, Young Adult had more book sales than Classics. However, Sci-Fi & Fantasy had the lowest proportion in 2006 with 10,000,00$ and remained the smallest from 2007 to 2010.
