Aufbereitet hier vom Economist:
"Trading in foreign-exchange markets averaged $5.3 trillion a day in April 2013, reports the BIS in its latest “Triennial Central Bank Survey”. This was up from $4 trillion in 2010 and $3.3 trillion in 2007. The US dollar was the dominant currency: 87% of deals contained the dollar on one side. The euro, the second-most-traded currency, was involved in 33% of deals, down from 39% in April 2010. The third-most-traded currency, featuring in 23% of all trades, was the Japanese yen;"