Top ranks in drug industry changed in past 5 years.

The ranks in pharmaceutical manufacturers have been remarkably changed during the past 5 years. Up to the first half of 1990s the OTC oriented company occupied the top ranks but showed a gradual declining trend while the ethical oriented company rose up continuously as the medical insurance market had expanded.

Dong-A kept the top rank with 34.2% growth rate on average during the past 5 year...