Year	National Currency
2004-01-01	19838195300
2005-01-01	23971373000
2006-01-01	25843043000
2007-01-01	25421716800
2008-01-01	28824869100
2009-01-01	25735269500
2010-01-01	24877265600
2011-01-01	27302492200
2012-01-01	26532000000
2013-01-01	25060000000
2014-01-01	25657000000
2015-01-01	28558000000
2016-01-01	31447000000
2017-01-01	33913000000