Year	National Currency
2007-01-01	4253691800
2008-01-01	4859178800
2009-01-01	4202072400
2010-01-01	3766756100
2011-01-01	3956555900
2012-01-01	3991043000
2013-01-01	4195711000
2014-01-01	4265539000
2015-01-01	4580482600
2016-01-01	4751554100
2017-01-01	5054719000