PITTSBURGH--(BUSINESS WIRE)--Bayer today reported increased annual sales in North America led by gains in the company's CropScience and MaterialScience subgroups. Total sales in the region (U.S. and Canada) were EUR 8,177 million ($11,366 million*), an increase of 3.6 percent** compared with full-year 2010 sales. North American sales represented nearly one quarter of Bayer's global sales of EUR 36,528 million, maintaining North America's position as the second largest region for Bayer after Europe. Annual sales within the United States advanced by 3.2 percent to $9,791 million compared to $9,486 million for the full-year 2010.