Year	US Dollar per National Currency Units
1993-01-01	0.907354979
1994-01-01	0.963199795
1995-01-01	1.018837296
1996-01-01	0.944536761
1997-01-01	0.866137657
1998-01-01	0.816135237
1999-01-01	0.712771495
2000-01-01	0.635717150
2001-01-01	0.621577568
2002-01-01	0.752472775
2003-01-01	0.915127582
2004-01-01	1.057201011
2005-01-01	0.942969826
2006-01-01	1.147832051
2007-01-01	1.317271535
2008-01-01	1.408744447
2009-01-01	1.440600000
2010-01-01	1.336200000
2011-01-01	1.293900000
2012-01-01	1.319400000
2013-01-01	1.379100000
2014-01-01	1.214100000
2015-01-01	1.088700000
2016-01-01	1.054100000
2017-01-01	1.199300000