Corona sales surge ahead in U.S. and abroad.

Corona beer sales surged ahead in 1992, firmly establishing the brand as the top export beer of Mexico and the number two import in the United States, according to a company spokesman.

Sales of more than 15 million cases in the United States by all brands of Grupo Modelo S.A., up 8.2 percent for all products over 1991, prompted the Wall Street Journal to proclaim that Corona is "bubbling back."

Sales of Corona Extra were up 7.3 percent in 1992 with a total of 12.8 million cases sold.

The year's gains represented a turnaround after several years of declin