Year	National Currency
2006-01-01	7985319400
2007-01-01	12042409900
2008-01-01	15158698000
2009-01-01	13489977000
2010-01-01	13517608600
2011-01-01	12477362000
2012-01-01	13972320000
2013-01-01	15808900000
2014-01-01	16917900000
2015-01-01	19324200000
2016-01-01	21856700000
2017-01-01	23888400000