Year	National Currency
2006-01-01	4093149747500
2007-01-01	4960688934300
2008-01-01	5893145603000
2009-01-01	7752184698900
2010-01-01	9799897823400
2011-01-01	11436460673700
2012-01-01	12849142141200
2013-01-01	14450519743300
2014-01-01	16571577140700
2015-01-01	19448244454900