Year National Currency 2004-01-01 17544063100 2005-01-01 19582798500 2006-01-01 22396032500 2007-01-01 28365214300 2008-01-01 34118078300 2009-01-01 33623268700 2010-01-01 33823851400 2011-01-01 35872033100 2012-01-01 36999063200 2013-01-01 39362931100 2014-01-01 41273645600 2015-01-01 47772030000 2016-01-01 51938000000 2017-01-01 56862000000