The following figure displays the proportion of a pharmaceutical company’s overall sales by region from 2002 to 2006.
Overall, the percentage of drugs sold in Asia showed a consistent upward trend throughout the period, and became the highest of the three continents at the end of the period. Interestingly, America and Europe displayed two completely opposite trends in the period, with the former falling and then rising, and the latter rising and then falling.
In 2002, 41% of medicines were sold in America, which was its highest share throughout the period. In contrast, the percentage of drugs sold in Asia was 25% at the same time, which was its lowest share in 5 years. From 2003 onwards, the percentage of drugs sold in America declined steadily, touching the lowest point at 27% while the proportion of medicines sold in Europe increased gradually and reached its peak at 38% in 2004.
In subsequent years, Asia saw a progressive rise in its drugs sold, culminated at 40% at the end of the period. Meanwhile, America experienced a slow increase while Europe witnessed a constant decrease in drugs sold, both leading to an identical figure of 30% in 2006.