We could be **94** a lot more coffee and, in fact, we used to. In 1946, when America’s thirst for coffee peaked, each of us swallowed about 48 gallons a year on average, according to the U.S. Department of Agriculture — more than twice current consumption. “We’d drink coffee with breakfast, coffee with lunch, and coffee with dinner,” says John Sicher, publisher of Beverage Digest. “And mostly, we’d drink it at home.”