Year National Currency 2004-01-01 2931910400 2005-01-01 4135310600 2006-01-01 5368193600 2007-01-01 7480715500 2008-01-01 9835690500 2009-01-01 10821555000 2010-01-01 11166202500 2011-01-01 11794000000 2012-01-01 12455000000 2013-01-01 13320064000 2014-01-01 13694000000 2015-01-01 14239000000 2016-01-01 14445000000 2017-01-01 15725000000