GMAT Critical Reasoning (CR) | Re: Company executive: Ten years ago, we held an 80% market share

Company executive: Ten years ago, we held an 80% market share in Japan, even though we are a U.S.-based company. At that time, Japanese consumers overwhelmingly preferred our products those locally produced in Japan. Over the past ten years, our market share in Japan has decreased to almost 40%. However, our revenue from the Japanese has actually increased.

Which of the following best help to explain the above discrepancy?

A. The size of the company market for the company's product has double