Year	National Currency
2004-01-01	1455242000
2005-01-01	1586662000
2006-01-01	1828614000
2007-01-01	2100684000
2008-01-01	2226470000
2009-01-01	2116984000
2010-01-01	2110005000
2011-01-01	2060153000
2012-01-01	2029632000
2013-01-01	1926177000
2014-01-01	1863811000
2015-01-01	1726364000
2016-01-01	1743429000
2017-01-01	1747000000