Year	National Currency
1996-01-01	1427186500000
1997-01-01	1453380200000
1998-01-01	1476868000000
1999-01-01	1499902900000
2000-01-01	1555550700000
2001-01-01	1583118000000
2002-01-01	1587052900000
2003-01-01	1589455100000
2004-01-01	1614599200000
2005-01-01	1629932700000
2006-01-01	1662638300000
2007-01-01	1687143300000
2008-01-01	1669422000000
2009-01-01	1577903100000
2010-01-01	1604514600000
2011-01-01	1613766800000
2012-01-01	1568274900000
2013-01-01	1541170400000
2014-01-01	1542921300000
2015-01-01	1557608100000
2016-01-01	1570975900000
2017-01-01	1594576700000