The given charts illustrate the changes in the sale of four different types of publications for a decades since 2002.
Overall, it is clear that History books underwent the significantly increase in the sales from 2002 to 2008, then fluctuated for a decades. Meanwhile, others books were also increased including Art books, Hobbies books and Entertainment book had faced a rose in selling of books.
However, the noticeable features of charts, selling of the History book was in a peak of the sales by 4300 copies in a lowest sold in 2002, then in 2008 there was 10000 copies of History books were sold and made a records in publication of books. After faced a fluctuated in sales of copies in last decades since 2002.
On the other hand, remained three books were in a constant position where Hobbies books founded lowest in the graphs and fluctuated in whole years by under 2000 copies only. In addition, both Entertainment book or Art book were in a exact position in selling terms, while Entertainment books were dramatically increased from 2002 to 2012, by 1500 copies and 17000 copies respectively. Arts book also faced a same situation like Entainment book , Approximately by 18000 copies in 2002 and 4000 copies in 2012.
