Year	National Currency Units per US Dollar
1979-01-01	0.729948334110910
1980-01-01	0.719617177640127
1981-01-01	0.898213937085529
1982-01-01	1.024372845603770
1983-01-01	1.124883333332640
1984-01-01	1.271541666666360
1985-01-01	1.321899999996580
1986-01-01	1.018991666666350
1987-01-01	0.867425000000215
1988-01-01	0.846241666666629
1989-01-01	0.908224999999826
1990-01-01	0.787674999999732
1991-01-01	0.809008333333319
1992-01-01	0.772633333333033
1993-01-01	0.853683333333720
1994-01-01	0.843066666666497
1995-01-01	0.764954613333430
1996-01-01	0.787789999166762
1997-01-01	0.882380401666675
1998-01-01	0.894122749520314
1999-01-01	0.938562898128768
2000-01-01	1.085096070140040
2001-01-01	1.116631088331970
2002-01-01	1.061065132805350
2003-01-01	0.885163216710171
2004-01-01	0.804862094256554
2005-01-01	0.804619415087824
2006-01-01	0.796697220781640
2007-01-01	0.730485427181495
2008-01-01	0.683982339828182
2009-01-01	0.719800423489554
2010-01-01	0.755043518257105
2011-01-01	0.719158754470168
2012-01-01	0.778006210395884
2013-01-01	0.753297658306669
2014-01-01	0.753695140645586
2015-01-01	0.901451643908024
2016-01-01	0.904281526915114
2017-01-01	0.887107173889516