Year	US Dollar per National Currency Units
1960-01-01	1.33790
1961-01-01	1.33870
1962-01-01	1.33870
1963-01-01	1.33820
1964-01-01	1.33870
1965-01-01	1.33820
1966-01-01	1.32460
1967-01-01	1.33650
1968-01-01	1.32570
1969-01-01	1.18020
1970-01-01	1.18830
1971-01-01	1.25560
1972-01-01	1.27990
1973-01-01	1.39330
1974-01-01	1.47590
1975-01-01	1.46240
1976-01-01	1.31990
1977-01-01	1.39402
1978-01-01	1.56920
1979-01-01	1.63180
1980-01-01	1.45260
1981-01-01	1.14120
1982-01-01	0.97540
1983-01-01	0.78580
1984-01-01	0.68380
1985-01-01	0.86760
1986-01-01	1.01620
1987-01-01	1.22840
1988-01-01	1.08260
1989-01-01	1.13330
1990-01-01	1.27890
1991-01-01	1.26630
1992-01-01	1.19120
1993-01-01	1.11260
1994-01-01	1.22700
1995-01-01	1.33870
1996-01-01	1.25250
1997-01-01	1.09540
1998-01-01	1.16680
1999-01-01	1.00460
2000-01-01	0.93050
2001-01-01	0.88130
2002-01-01	1.04870
2003-01-01	1.26300
2004-01-01	1.36210
2005-01-01	1.17970
2006-01-01	1.31700
2007-01-01	1.47210
2008-01-01	1.39170
2009-01-01	1.44060
2010-01-01	1.33620
2011-01-01	1.29390
2012-01-01	1.31940
2013-01-01	1.37910
2014-01-01	1.21410
2015-01-01	1.08870
2016-01-01	1.05410
2017-01-01	1.19930