Year	National Currency
1989-01-01	12.4675
1990-01-01	13.2400
1991-01-01	13.6600
1992-01-01	13.8850
1993-01-01	13.9550
1994-01-01	14.1775
1995-01-01	14.5350
1996-01-01	15.0350
1997-01-01	15.5525
1998-01-01	15.9925
1999-01-01	16.4050
2000-01-01	16.8725
2001-01-01	17.4025
2002-01-01	18.0300
2003-01-01	18.5550
2004-01-01	19.0800
2005-01-01	19.7625
2006-01-01	20.6650
2007-01-01	21.5550
2008-01-01	22.5300
2009-01-01	23.1800
2010-01-01	23.9675
2011-01-01	24.8725
2012-01-01	25.7450
2013-01-01	26.4025
2014-01-01	27.1825
2015-01-01	27.9450
2016-01-01	28.5250
2017-01-01	29.0100