Year	National Currency
2007-01-01	6693400
2008-01-01	11999000
2009-01-01	6734100
2010-01-01	6689600
2011-01-01	8220700
2012-01-01	6566100
2013-01-01	6165700
2014-01-01	10484700
2015-01-01	22933600
2016-01-01	59998900