Because this is a company that for over 40 years time have a high market share and there are more competitors. Hence, lower sales, but the company still needs to continue business.
The company is open for a period longer than 40 years to have a high market share, competitors, and more. Therefore, the lower sales, the company can continue to operate indefinitely.
Since the company opened a much longer period of time 40 years has a high market share and competition more and more. Therefore, low sales down, but the company still can continue the business continuously.