Year	US Dollar per National Currency Units
1992-01-01	0.4150
1993-01-01	1.2470
1994-01-01	3.5500
1995-01-01	4.6400
1996-01-01	5.5600
1997-01-01	5.9600
1998-01-01	20.6500
1999-01-01	27.0000
2000-01-01	28.1600
2001-01-01	30.1400
2002-01-01	31.7844
2003-01-01	29.4545
2004-01-01	27.7487
2005-01-01	28.7825
2006-01-01	26.3311
2007-01-01	24.5462
2008-01-01	29.3804
2009-01-01	30.2442
2010-01-01	30.4769
2011-01-01	32.1961
2012-01-01	30.3727
2013-01-01	32.7292
2014-01-01	56.2584
2015-01-01	72.8827
2016-01-01	60.6569
2017-01-01	57.6002