Year	National Currency
2008-01-01	2207969000
2009-01-01	2054530000
2010-01-01	2236733000
2011-01-01	3970494000
2012-01-01	5071483000
2013-01-01	6858217000
2014-01-01	10093255000
2015-01-01	13973678000
2016-01-01	14837554000
2017-01-01	18441000000