Year National Currency 2004-01-01 44572402300 2005-01-01 54272289100 2006-01-01 62654062500 2007-01-01 67404523400 2008-01-01 74200218800 2009-01-01 60088328100 2010-01-01 59553617200 2011-01-01 60934722700 2012-01-01 55498000000 2013-01-01 51958000000 2014-01-01 49744000000 2015-01-01 51487000000 2016-01-01 52665000000 2017-01-01 53938000000