The company's share price has plunged by half in 10 months.
The population plunged from 20,000 to just a few thousand by the 1870s.
Sales could plunge by 9 percent, or 1.2 million cars, he said.
From 1989 to 1993, Cuba's foreign trade plunged by 72 percent to $4.1 billion.
But since then its shares have plunged by 69 percent, more than many big Internet companies.
Gross national product has plunged by more than a third in five years.
High school enrollment has plunged by 27 percent over the last decade.
Sales plunged by 14 per cent to £364 million, the annual meeting heard.
At the time it said that revenue from its American operations had plunged by 31 percent, or $550 million for the year.
The company also said that its earnings for the first quarter had plunged by 57 percent.