Year National Currency 2004-01-01 1888341000 2005-01-01 2651182000 2006-01-01 4007425000 2007-01-01 5956520000 2008-01-01 8721000000 2009-01-01 10503473000 2010-01-01 14168329000 2011-01-01 18343000000 2012-01-01 22816000000 2013-01-01 32748000000