Year	National Currency
2008-01-01	25229320000
2009-01-01	158538700000
2010-01-01	981420410000
2011-01-01	5563309110000
2012-01-01	17407725740000
2013-01-01	28852294019900
2014-01-01	40809831661600
2015-01-01	47196044393900