The given bar chart depicts the proportion of a medicine company’s sale in three regions between 2002 and 2006.
Overall, three rigions showed different pattern of drug selling among the four years. Although America initially had the largest sale, it dropped at the end of the year. In contrary, Asia had the least sale in the beginning, but rose to the largest proportion of selling at last.
To commence with, America selled the most drug in 2002, accounting for 41%. However, the sale decreased to 30% in 2006, resulting in America being the region that sell the same least drug with Europe. On the other hand, despite Asia selled the smallest proportion of drug in 2002, which only represented 25%, it increased to a substantial 40% after four years, becoming the region that sold the most medicine.
Additionally, while Europe sold the most in 2004, its figure has declined to the lowest in 2006, only made for 30%.