Quarter	US Dollar per National Currency Units
1967-01-01	137
1967-04-01	137
1967-07-01	148
1967-10-01	235
1968-01-01	266
1968-04-01	302
1968-07-01	321
1968-10-01	326
1969-01-01	326
1969-04-01	326
1969-07-01	326
1969-10-01	326
1970-01-01	326
1970-04-01	378
1970-07-01	378
1970-10-01	378
1971-01-01	378
1971-04-01	378
1971-07-01	415
1971-10-01	415
1972-01-01	415
1972-04-01	415
1972-07-01	415
1972-10-01	415
1973-01-01	415
1973-04-01	415
1973-07-01	415
1973-10-01	415
1974-01-01	415
1974-04-01	415
1974-07-01	415
1974-10-01	415
1975-01-01	415
1975-04-01	415
1975-07-01	415
1975-10-01	415
1976-01-01	415
1976-04-01	415
1976-07-01	415
1976-10-01	415
1977-01-01	415
1977-04-01	415
1977-07-01	415
1977-10-01	415
1978-01-01	415
1978-04-01	415
1978-07-01	415
1978-10-01	625
1979-01-01	623.50
1979-04-01	625.75
1979-07-01	625.50
1979-10-01	627
1980-01-01	629
1980-04-01	625.25
1980-07-01	625.75
1980-10-01	626.75
1981-01-01	628
1981-04-01	631.25
1981-07-01	633.75
1981-10-01	644
1982-01-01	651.75
1982-04-01	657.25
1982-07-01	671.25
1982-10-01	692.50
1983-01-01	702.50
1983-04-01	974
1983-07-01	982
1983-10-01	994
1984-01-01	1000.00
1984-04-01	1014.00
1984-07-01	1059.00
1984-10-01	1074.00
1985-01-01	1102.00
1985-04-01	1118.00
1985-07-01	1121.00
1985-10-01	1125.00
1986-01-01	1125.00
1986-04-01	1131.00
1986-07-01	1633.00
1986-10-01	1641.00
1987-01-01	1644.00
1987-04-01	1648.00
1987-07-01	1650.00
1987-10-01	1650.00
1988-01-01	1660.00
1988-04-01	1688.00
1988-07-01	1706.00
1988-10-01	1731.00
1989-01-01	1756.00
1989-04-01	1773.00
1989-07-01	1783.00
1989-10-01	1797.00
1990-01-01	1823.00
1990-04-01	1844.00
1990-07-01	1864.00
1990-10-01	1901.00
1991-01-01	1932.00
1991-04-01	1954.00
1991-07-01	1968.00
1991-10-01	1992.00
1992-01-01	2017.00
1992-04-01	2033.00
1992-07-01	2038.00
1992-10-01	2062.00
1993-01-01	2071.00
1993-04-01	2088.00
1993-07-01	2108.00
1993-10-01	2110.00
1994-01-01	2143.00
1994-04-01	2160.00
1994-07-01	2181.00
1994-10-01	2200.00
1995-01-01	2219.00
1995-04-01	2246.00
1995-07-01	2275.00
1995-10-01	2308.00
1996-01-01	2337.00
1996-04-01	2342.00
1996-07-01	2340.00
1996-10-01	2383.00
1997-01-01	2419.00
1997-04-01	2450.00
1997-07-01	3275.00
1997-10-01	4650.00
1998-01-01	8325.00
1998-04-01	14900.00
1998-07-01	10700.00
1998-10-01	8025.00
1999-01-01	8685.00
1999-04-01	6726.00
1999-07-01	8386.00
1999-10-01	7085.00
2000-01-01	7590.00
2000-04-01	8735.00
2000-07-01	8780.00
2000-10-01	9595.00
2001-01-01	10400.00
2001-04-01	11440.00
2001-07-01	9675.00
2001-10-01	10400.00
2002-01-01	9655.00
2002-04-01	8730.00
2002-07-01	9015.00
2002-10-01	8940.00
2003-01-01	8908.00
2003-04-01	8285.00
2003-07-01	8389.00
2003-10-01	8465.00
2004-01-01	8587.00
2004-04-01	9415.00
2004-07-01	9170.00
2004-10-01	9290.00
2005-01-01	9480.00
2005-04-01	9713.00
2005-07-01	10310.00
2005-10-01	9830.00
2006-01-01	9075.00
2006-04-01	9300.00
2006-07-01	9235.00
2006-10-01	9020.00
2007-01-01	9118.00
2007-04-01	9054.00
2007-07-01	9137.00
2007-10-01	9419.00
2008-01-01	9217.00
2008-04-01	9225.00
2008-07-01	9378.00
2008-10-01	10950.00
2009-01-01	11575.00
2009-04-01	10225.00
2009-07-01	9681.00
2009-10-01	9400.00
2010-01-01	9115.00
2010-04-01	9083.00
2010-07-01	8924.00
2010-10-01	8991.00
2011-01-01	8709.00
2011-04-01	8597.00
2011-07-01	8823.00
2011-10-01	9068.00
2012-01-01	9180.00
2012-04-01	9480.00
2012-07-01	9588.00
2012-10-01	9670.00
2013-01-01	9719.00
2013-04-01	9929.00
2013-07-01	11613.00
2013-10-01	12189.00
2014-01-01	11404.00
2014-04-01	11969.00
2014-07-01	12212.00
2014-10-01	12440.00
2015-01-01	13084.00
2015-04-01	13332.00
2015-07-01	14657.00
2015-10-01	13795.00
2016-01-01	13276.00
2016-04-01	13180.00
2016-07-01	12998.00
2016-10-01	13436.00
2017-01-01	13321.00
2017-04-01	13319.00
2017-07-01	13492.00
2017-10-01	13548.00
2018-01-01	13756.00
2018-04-01	14404.00