Year National Currency 2006-01-01 10657000000 2007-01-01 13016000000 2008-01-01 15893000000 2009-01-01 19798859800 2010-01-01 22659000000 2011-01-01 15536341000 2012-01-01 26666680400 2013-01-01 151958500000 2014-01-01 179825000000 2015-01-01 187056000000