The bar chart depicts the proportion of the total sales in drug companies in America, Asia, and Europe in the mentioned time period.
Overall, it is evident that Europe and America have witnessed a downward trend in drug sales whereas, the opposite trend can be seen in Asia from 2002 to 2006.
To start with, in 2002, 41% of sales in drug companies were the dominant phase, America did this to compete with Asia, and Europe which was seen 25%, and 34%. After one year, Europe and America had the same percentage in the sales of drug companies, which can be seen as 35%, while Asia had been noticed with 30%. In 2004, Europe had a higher proportion of sales in drug companies compared to others, accounting for 38%.
Moreover, in America, sales in drug companies fell in 2005, by 27% in contrast to America, Asia went upward by 37%. However, Europe also became the second country in sales of drug companies by 34%. In the last year of the chart, Asia was the largest and most trending place where sales in drug companies went up by 40% meanwhile, leaving both countries to fall by 30% compared to Asia.