Year	National Currency
2006-01-01	3143000000
2007-01-01	3316000000
2008-01-01	2941000000
2009-01-01	3007000000
2010-01-01	3109000000
2011-01-01	3250000000
2012-01-01	2840683000
2013-01-01	2669000000
2014-01-01	2784000000
2015-01-01	2728000000
2016-01-01	2142000000
2017-01-01	2187000000