54% of the Americans
More and more people drink coffee. For example, in the United States of America, 54% of the Americans over the age of 18 drink coffee every day. It is interesting to know that the average size of coffee cup is of 9 ounces. 85% of the coffee drinkers prefer the black coffee. 100 million Americans drink coffee every day. This is definitely something. 24% of the Americans drink more than 13 coffee cups per week. 68% of the coffee drinkers have their cup of coffee within the first hour of waking up.