Since 2000, the free trade of the coffee has shown an increasing percentage of Starbucks sales. The current free trade of coffee accounts for 3.7 percent of the total Starbucks coffee sales. Last year, Starbucks was ranked as the 16th best company to work for in the United States. It is said that Starbucks' success is largely entitled to word of mouth advertising and this has significantly helped in making it a household name the world over.