Year National Currency 2005-01-01 23064220600 2006-01-01 25949232800 2007-01-01 31528967600 2008-01-01 40251759000 2009-01-01 42144276600 2010-01-01 45494770100 2011-01-01 48064976400 2012-01-01 48489745800 2013-01-01 45870237100 2014-01-01 43956054200 2015-01-01 43574926900 2016-01-01 41046800500 2017-01-01 38796473700