According to the UN Office of Drugs and Crime (unodc), the global production of opium declined from 8,890 tonnes in 2007 to 7,750 tonnes lastyear. Most opium, which is derived from poppies, is converted into heroin. Two-thirds of the restis consumed in just five countries: Iran, Afghanistan, Pakistan, India and Russia. Nearly nine-tenths of the world's poppy cultivation, however, takes place in Afghanistan, though significantamounts also come from Mexico, Myanmar and Colombia.
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