Year	National Currency Units per US Dollar
1960-01-01	0.0000000000000809970533496995
1961-01-01	0.0000000000001168434788268820
1962-01-01	0.0000000000001677641554870910
1963-01-01	0.0000000000002488693976762000
1964-01-01	0.0000000000005420239170535590
1965-01-01	0.0000000000008216548853465920
1966-01-01	0.0000000000009607130510973070
1967-01-01	0.0000000000011526032213406200
1968-01-01	0.0000000000014695952527679300
1969-01-01	0.0000000000017633628396387600
1970-01-01	0.0000000000019878537834480900
1971-01-01	0.0000000000022882208631248700
1972-01-01	0.0000000000025679600199327500
1973-01-01	0.0000000000026509405278372100
1974-01-01	0.0000000000029383610615176000
1975-01-01	0.0000000000035168444719385000
1976-01-01	0.0000000000046187073309906200
1977-01-01	0.0000000000061208672945584300
1978-01-01	0.0000000000078197498441913700
1979-01-01	0.0000000000116606907200630000
1980-01-01	0.0000000000228123189244443000
1981-01-01	0.0000000000403001093531326000
1982-01-01	0.0000000000776854427171099000
1983-01-01	0.0000000002497181722211350000
1984-01-01	0.0000000007997413239741380000
1985-01-01	0.0000000026832423408459200000
1986-01-01	0.0000000059096822674925000000
1987-01-01	0.0000000169763078245840000000
1988-01-01	0.0000001135476737403700000000
1989-01-01	0.0000012263874347374400000000
1990-01-01	0.0000295572678942699000000000
1991-01-01	0.0001759614430860240000000000
1992-01-01	0.0019530235224881100000000000
1993-01-01	0.0382766109266730000000000000
1994-01-01	0.6646835140705770000000000000
1995-01-01	0.9176666666666660000000000000
1996-01-01	1.0051000000000000000000000000
1997-01-01	1.0779916666666700000000000000
1998-01-01	1.1605166666666700000000000000
1999-01-01	1.8139328465721300000000000000
2000-01-01	1.8294231220756100000000000000
2001-01-01	2.3496317093224400000000000000
2002-01-01	2.9203630177551900000000000000
2003-01-01	3.0774751184780100000000000000
2004-01-01	2.9251194495158600000000000000
2005-01-01	2.4343900362318800000000000000
2006-01-01	2.1753266666666700000000000000
2007-01-01	1.9470583333333300000000000000
2008-01-01	1.8337666666666700000000000000
2009-01-01	1.9994281731442600000000000000
2010-01-01	1.7592267105871800000000000000
2011-01-01	1.6728287552565900000000000000
2012-01-01	1.9530686111248700000000000000
2013-01-01	2.1560891512631100000000000000
2014-01-01	2.3529519627666900000000000000
2015-01-01	3.3269043827687900000000000000
2016-01-01	3.4913134215727100000000000000
2017-01-01	3.1913894463004800000000000000