The chart illustrates the revenue of companies from the sales of drugs located in America, Europe and Asia between 2002 and 2006. Units are measured in percentage.
Overall, Europe showed the highest total sales over the period given, while Asia had the lowest number in the first year and then gradually reached a peak by the end of the period. Otherwise, America saw an initial increase and then experienced downward sales in the last period.
According to the bar chart, Europe ran into fluctuations. It began at 34% in 2002, rose to 38% in 2004, then constantly declined to 30% in 2006. Asia started at the lowest number at 25% in the first year and grew continually to the highest volume at 40% in the last year.
Conversely, America kicked off at 41% by the year 2002, then fluctuated at around 35% to 29% (between 2003 and 2005 respectively), and dropped to 30% by the end of 2006. This falling trend positioned America as the least total earnings during the years.
