The line graph illustrates the revenue generated from selling three categories of books in one country over a period of 4 years, between 2002 and 2006.
Overall, children’s books consistently accounted for the highest rate of selling over a given period, while educational books exhibited the lowest levels, but it surpassed adult fiction in 2006 for the income.
It can be seen from the graph that, sales of children’s books stood at 32 million in 2002, which rose significantly to 46 million dollars by 2005, after that sales peak at 55 million by 2006. In 2002, adult fiction earned roughly 46 million before dropped slightly below 40 million in 2003. In contrast, by 2004, adult fiction books displayed a moderate rise, constituting a 40 million. However, the trend showed a dramatic dip to 30 million in 2006.
Education books saw a fluctuation tendency between 25 million and 34 million. By 2003, the annual incomes increased by 32 million compared to the initial year earns only 25 million. Conversely, the trajectory stood at 25 million in 2005, while it grew higher than adult fiction in 2006, comprising 34 million.