The bar chart illustrate the proportion of total sales in different drug companies around the world in period from 2002 to 2006. In short, the rate of retailing in South Anerica fluctuated throughout the 4 years, while percentage of selling drugs in European and Africa and North America had been gradually declaining during the period. Importantly, the rate of retailing in Asia had the biggest change in fugure.
First of all, Euripean and Africa and North America rates notable declien; however, share of dryg company’s total sales in North America experienced gradually fall by dropping from 33% to 21% , while rate of European and Africa selling showed climb from 2002 to 2004 ( from 44% to 48%) and after decrease to 40%.
In contrast rate of grug sales in Asia in the beginning of period was just 12%, though figure follow an uptrend, achiving 28%. Furthermore, in south America trends was falling from 11% to 6%, but in 2005 considerable soared to 11%.
In conclusion, proportion of drug sales in Asia had biggest rise among other regions, at the same time North america had most promoted decline.