Year National Currency 2004-01-01 9102000000 2005-01-01 9701800000 2006-01-01 11008500000 2007-01-01 11499600000 2008-01-01 13386700000 2009-01-01 15095300000 2010-01-01 17159000000 2011-01-01 19013000000 2012-01-01 20780000000 2013-01-01 21961000000 2014-01-01 23985000000 2015-01-01 26067568000 2016-01-01 28732539000