Year	National Currency
2010-01-01	26177406000
2011-01-01	32262215400
2012-01-01	37149452500
2013-01-01	42456293900
2014-01-01	47699005200
2015-01-01	49781710000
2016-01-01	49821213000
2017-01-01	49392804600