Quarter	US dollars
2004-12-31	169
2005-03-31	157
2005-06-30	366
2005-09-30	433
2005-12-31	326
2006-03-31	323
2006-06-30	314
2006-09-30	323
2006-12-31	245
2007-03-31	155
2007-06-30	140
2007-09-30	540
2007-12-31	370
2008-03-31	421
2008-06-30	503
2008-09-30	198
2008-12-31	175
2009-03-31	265
2009-06-30	1161
2009-09-30	477
2009-12-31	639
2010-03-31	1141
2010-06-30	1038
2010-09-30	1891
2010-12-31	631
2011-03-31	777
2011-06-30	931
2011-09-30	981
2011-12-31	793
2012-03-31	762
2012-06-30	634
2012-09-30	480
2012-12-31	516
2013-03-31	468
2013-06-30	482
2013-09-30	283
2013-12-31	238
2014-03-31	559
2014-06-30	547
2014-09-30	559
2014-12-31	604
2015-03-31	429
2015-06-30	377
2015-09-30	270
2015-12-31	138
2016-03-31	293
2016-06-30	295
2016-09-30	291
2016-12-31	196
2017-03-31	416
2017-06-30	574
2017-09-30	694
2017-12-31	594
2018-03-31	486
2018-06-30	479
2018-09-30	377
2018-12-31	572
2019-03-31	352
2019-06-30	364
2019-09-30	351
2019-12-31	343
2020-03-31	690
2020-06-30	674
2020-09-30	598
2020-12-31	474
2021-03-31	320
2021-06-30	224
2021-09-30	245
2021-12-31	301
2022-03-31	324
2022-06-30	701
2022-09-30	515
2022-12-31	430
2023-03-31	534
2023-06-30	321
2023-09-30	230