Year	National Currency
2010-01-01	2963709000
2011-01-01	2642278000
2012-01-01	2430954000
2013-01-01	2095527200
2014-01-01	2146527000
2015-01-01	1453109000
2016-01-01	1447252000
2017-01-01	1491588000