Drinking may even be on the rise, reckons Humphrey Serjeantson of IWSR, a London-based market-research firm. Between 2001 and 2011 sales of alcohol in the Middle East, where Muslims dominate, grew by 72%, against a global average of 30%. That rise is unlikely to be accounted for by non-Muslims and foreigners alone.
http://www.economist.com/node/21560543



