Year	National Currency
2007-01-01	499940000
2008-01-01	489300500
2009-01-01	508244000
2010-01-01	558819000
2011-01-01	830260000
2012-01-01	931331000
2013-01-01	977162000
2014-01-01	1089389000
2015-01-01	1293242000
2016-01-01	1595632000