Year	National Currency
2007-01-01	6117929000
2008-01-01	7901321000
2009-01-01	10005984000
2010-01-01	11833422000
2011-01-01	13888192000
2012-01-01	15497000000
2013-01-01	22151000000
2014-01-01	26061000000
2015-01-01	29219000000
2016-01-01	29420000000