Quarter	United States Dollar
1997-09-30	11353
1997-12-31	10572
1998-03-31	11107
1998-06-30	10926
1998-09-30	10724
1998-12-31	10250
1999-03-31	10103
1999-06-30	9968
1999-09-30	10355
1999-12-31	1345
2000-03-31	10902
2000-06-30	14026
2000-09-30	13434
2000-12-31	14018
2001-03-31	13841
2001-06-30	13318
2001-09-30	9868
2001-12-31	8344
2002-03-31	9943
2002-06-30	11004
2002-09-30	11223
2002-12-31	8729
2003-03-31	10300
2003-06-30	10096
2003-09-30	12052
2003-12-31	13254
2004-03-31	12773
2004-06-30	12474
2004-09-30	12066
2004-12-31	11802
2005-03-31	11916
2005-06-30	12521
2005-09-30	12751
2005-12-31	11941
2006-03-31	12180
2006-06-30	11579
2006-09-30	13687
2006-12-31	12563
2007-03-31	12565
2007-06-30	12615
2007-09-30	12473
2007-12-31	14831
2008-03-31	15139
2008-06-30	15591
2008-09-30	12701
2008-12-31	13398
2009-03-31	14055
2009-06-30	14412
2009-09-30	14468
2009-12-31	14356
2010-03-31	17018
2010-06-30	20103
2010-09-30	19385
2010-12-31	19581
2011-03-31	20742
2011-06-30	20525
2011-09-30	20403
2011-12-31	21341
2012-03-31	22629
2012-06-30	24797
2012-09-30	27106
2012-12-31	27145
2013-03-31	27030
2013-06-30	28359
2013-09-30	30239
2013-12-31	31161
2014-03-31	30967
2014-06-30	32525
2014-09-30	33356
2014-12-31	34860
2015-03-31	43728
2015-06-30	45371
2015-09-30	46738
2015-12-31	47295
2016-03-31	49373
2016-06-30	53339
2016-09-30	51327
2016-12-31	48997
2017-03-31	51016
2017-06-30	53375
2017-09-30	53743
2017-12-31	51366
2018-03-31	53060
2018-06-30	53964
2018-09-30	54530
2018-12-31	55876
2019-03-31	59826
2019-06-30	62244
2019-09-30	58381
2019-12-31	60053