Year	National Currency
2002-01-01	2.2725
2003-01-01	2.5175
2004-01-01	2.7000
2005-01-01	3.0200
2006-01-01	3.5425
2007-01-01	4.2775
2008-01-01	4.9350
2009-01-01	4.7900
2010-01-01	4.7600
2011-01-01	4.9900
2012-01-01	5.2950
2013-01-01	5.7275
2014-01-01	6.1175
2015-01-01	6.4825
2016-01-01	6.8675
2017-01-01	7.3800