Year	US Dollar per National Currency Units
1992-01-01	0.343584821666667
1993-01-01	0.477886969333333
1994-01-01	0.535313386666667
1995-01-01	0.492398319750000
1996-01-01	0.566213904000000
1997-01-01	0.668871362583333
1998-01-01	0.693943693333333
1999-01-01	0.766183998083334
2000-01-01	0.935479608416666
2001-01-01	1.019678823750000
2002-01-01	0.997937879083334
2003-01-01	0.860085266833334
2004-01-01	0.803027457750000
2005-01-01	0.807628108833333
2006-01-01	0.794486869250000
2007-01-01	0.726001740593616
2008-01-01	0.682790204530668
2009-01-01	0.718258716503946
2010-01-01	0.758472762704665
2011-01-01	0.715278501644108
2012-01-01	0.773910133169796
2013-01-01	0.751770815135134
2014-01-01	0.758486416354053
2015-01-01	0.905688707873064
2016-01-01	0.906955099549576
2017-01-01	0.881137692720784