Quarter	US Dollar per National Currency Units
1987-01-01	88.80994671403200
1987-04-01	73.87161113983900
1987-07-01	63.66182836771070
1987-10-01	45.25501199257820
1988-01-01	43.84042086804030
1988-04-01	43.84042086804030
1988-07-01	43.84042086804030
1988-10-01	43.84042086804030
1989-01-01	42.21190375685940
1989-04-01	40.65040650406500
1989-07-01	39.20031360250880
1989-10-01	37.86444528587660
1990-01-01	36.58982802780830
1990-04-01	35.48867911136350
1990-07-01	34.59489379367610
1990-10-01	33.95124601072860
1991-01-01	33.54579000335460
1991-04-01	33.13233052812930
1991-07-01	32.72465475489230
1991-10-01	32.56268316509280
1992-01-01	32.43067942273390
1992-04-01	32.02808222249270
1992-07-01	32.08923374118750
1992-10-01	32.09860692045960
1993-01-01	32.28305785123970
1993-04-01	32.03895937459950
1993-07-01	32.07389826159470
1993-10-01	32.19678676068130
1994-01-01	29.76367640931010
1994-04-01	29.48287045226720
1994-07-01	29.37720329024680
1994-10-01	18.77934272300470
1995-01-01	14.66813348001470
1995-04-01	15.84987003106570
1995-07-01	15.57753719137000
1995-10-01	13.08472358521430
1996-01-01	13.24871818651550
1996-04-01	13.13922320912390
1996-07-01	13.26717435720540
1996-10-01	12.73739316511480
1997-01-01	12.67346809454410
1997-04-01	12.56597134958530
1997-07-01	12.78788731313700
1997-10-01	12.37118503581460
1998-01-01	11.74191275758820
1998-04-01	11.06109040229190
1998-07-01	9.89491599216323
1998-10-01	10.13684744044600
1999-01-01	10.50883793270140
1999-04-01	10.54018445322790
1999-07-01	10.68581564830840
1999-10-01	10.51049472898690
2000-01-01	10.83059860718500
2000-04-01	10.04641443468830
2000-07-01	10.62834792959780
2000-10-01	10.44691920352690
2001-01-01	10.48437827636820
2001-04-01	11.03655306374710
2001-07-01	10.49780595855470
2001-10-01	10.93816654452380
2002-01-01	11.07444240182510
2002-04-01	10.00020000400010
2002-07-01	9.83603332448090
2002-10-01	9.69696969696970
2003-01-01	9.26878551103449
2003-04-01	9.54125639264178
2003-07-01	9.15147521780511
2003-10-01	8.89996440014240
2004-01-01	8.96539358077820
2004-04-01	8.76301307441551
2004-07-01	8.76378104569435
2004-10-01	8.87721042539592
2005-01-01	8.85410210550548
2005-04-01	9.22271000110673
2005-07-01	9.21701460896815
2005-10-01	9.27841747311579
2006-01-01	9.13158615651539
2006-04-01	8.77400787905908
2006-07-01	9.07836444186215
2006-10-01	9.19033177097693
2007-01-01	9.02421196069053
2007-04-01	9.20293389532583
2007-07-01	9.15390459800628
2007-10-01	9.20284920211298
2008-01-01	9.34911463884370
2008-04-01	9.72374831049873
2008-07-01	9.26620891594622
2008-10-01	7.38645177016317
2009-01-01	6.97753930099011
2009-04-01	7.57443778735523
2009-07-01	7.40510359739933
2009-10-01	7.65773009564505
2010-01-01	8.02310654685494
2010-04-01	7.90095364510496
2010-07-01	7.99929606194655
2010-10-01	8.09251361565416
2011-01-01	8.35575460819867
2011-04-01	8.44673069288532
2011-07-01	7.45062100926112
2011-10-01	7.14775846294602
2012-01-01	7.81012035395465
2012-04-01	7.31785850188801
2012-07-01	7.74173569714330
2012-10-01	7.68633600049193
2013-01-01	8.09198973935701
2013-04-01	7.58242091534985
2013-07-01	7.68527271190218
2013-10-01	7.64730623637824
2014-01-01	7.64309790044101
2014-04-01	7.67324263560538
2014-07-01	7.43267851435622
2014-10-01	6.79440141323549
2015-01-01	6.59883068720223
2015-04-01	6.42359772861584
2015-07-01	5.87982807382712
2015-10-01	5.81175718478482
2016-01-01	5.74663103755423
2016-04-01	5.28784377594348
2016-07-01	5.12815253176891
2016-10-01	4.82360091455473
2017-01-01	5.31654722157242
2017-04-01	5.58743497622546
2017-07-01	5.51571980143409
2017-10-01	5.05389984181294
2018-01-01	5.45648994914551
2018-04-01	4.98621312072121
2018-07-01	5.29139724635687