Year	National Currency Units per US Dollar
1967-01-01	149.583333333333
1968-01-01	296.291666666667
1969-01-01	326.000000000000
1970-01-01	362.833333333333
1971-01-01	391.875000000000
1972-01-01	415.000000000000
1973-01-01	415.000000000000
1974-01-01	415.000000000000
1975-01-01	414.999999999000
1976-01-01	414.999999999000
1977-01-01	414.999999999000
1978-01-01	442.045416665917
1979-01-01	623.055499999083
1980-01-01	626.993999998583
1981-01-01	631.756666664167
1982-01-01	661.420749999250
1983-01-01	909.264833332000
1984-01-01	1025.944833331500
1985-01-01	1110.579999999670
1986-01-01	1282.559999999750
1987-01-01	1643.848333333330
1988-01-01	1685.704166666670
1989-01-01	1770.059166666670
1990-01-01	1842.813333333330
1991-01-01	1950.317500000000
1992-01-01	2029.920833333330
1993-01-01	2087.103866666670
1994-01-01	2160.753675000000
1995-01-01	2248.607975000000
1996-01-01	2342.296291666670
1997-01-01	2909.380000000000
1998-01-01	10013.622500000000
1999-01-01	7855.150000000000
2000-01-01	8421.775000000000
2001-01-01	10260.850000000000
2002-01-01	9311.191666666670
2003-01-01	8577.133333333340
2004-01-01	8938.850000000000
2005-01-01	9704.741666666670
2006-01-01	9159.316666666670
2007-01-01	9141.000000000000
2008-01-01	9698.962500000000
2009-01-01	10389.937500000000
2010-01-01	9090.433333333340
2011-01-01	8770.433333333340
2012-01-01	9386.629166666670
2013-01-01	10461.240000000000
2014-01-01	11865.211296296300
2015-01-01	13389.412936507900
2016-01-01	13308.326802054200
2017-01-01	13380.833878889100