<P> Liquid coffee concentrates are sometimes used in large institutional situations where coffee needs to be produced for thousands of people at the same time . It is described as having a flavor about as good as low - grade robusta coffee, and costs about 10 ¢ a cup to produce . The machines can process up to 500 cups an hour, or 1,000 if the water is preheated . </P> <P> Coffee ingestion on average is about a third of that of tap water in North America and Europe . Worldwide, 6.7 million metric tons of coffee were produced annually in 1998--2000, and the forecast is a rise to seven million metric tons annually by 2010 . </P> <P> Brazil remains the largest coffee exporting nation, however Vietnam tripled its exports between 1995 and 1999 and became a major producer of robusta seeds . Indonesia is the third - largest coffee exporter overall and the largest producer of washed arabica coffee . Organic Honduran coffee is a rapidly growing emerging commodity owing to the Honduran climate and rich soil . </P> <P> In 2013, The Seattle Times reported that global coffee prices dropped more than 50 percent year - over-year . In Thailand, black ivory coffee beans are fed to elephants whose digestive enzymes reduce the bitter taste of beans collected from dung . These beans sell for up to $1,100 a kilogram ($500 per lb), achieving the world's most expensive coffee some three times costlier than beans harvested from the dung of Asian palm civets . </P>

Where does most of our coffee come from