Year	National Currency
2004-01-01	1248206000000
2005-01-01	1276914000000
2006-01-01	1263691000000
2007-01-01	1300173000000
2008-01-01	1287576000000
2009-01-01	1360303000000
2010-01-01	1402719000000
2011-01-01	1479728000000
2012-01-01	1464429000000
2013-01-01	1508513000000
2014-01-01	1562815000000
2015-01-01	1592063000000
2016-01-01	1675900000000