Year	National Currency
1996-01-01	1367328000000
1997-01-01	1406827000000
1998-01-01	1398213000000
1999-01-01	1441104000000
2000-01-01	1464184000000
2001-01-01	1505978000000
2002-01-01	1550527000000
2003-01-01	1624668000000
2004-01-01	1681254000000
2005-01-01	1736546000000
2006-01-01	1802132000000
2007-01-01	1877569000000
2008-01-01	1931793000000
2009-01-01	1919724000000
2010-01-01	1939906000000
2011-01-01	1944812000000
2012-01-01	1921229000000
2013-01-01	1931107000000
2014-01-01	1965820000000
2015-01-01	2038442000000
2016-01-01	2112582000000
2017-01-01	2202969000000