Quarter	US dollars
2004-12-31	534
2005-03-31	943
2005-06-30	869
2005-09-30	851
2005-12-31	747
2006-03-31	735
2006-06-30	631
2006-09-30	658
2006-12-31	595
2007-03-31	575
2007-06-30	540
2007-09-30	558
2007-12-31	430
2008-03-31	386
2008-06-30	382
2008-09-30	119
2008-12-31	253
2009-03-31	383
2009-06-30	369
2009-09-30	325
2009-12-31	258
2010-03-31	238
2010-06-30	93
2010-09-30	427
2010-12-31	45
2011-03-31	75
2011-06-30	125
2011-09-30	81
2011-12-31	43
2012-03-31	163
2012-06-30	118
2012-09-30	116
2012-12-31	146
2013-03-31	132
2013-06-30	141
2013-09-30	193
2013-12-31	157
2014-03-31	158
2014-06-30	169
2014-09-30	170
2014-12-31	203
2015-03-31	175
2015-06-30	156
2015-09-30	55
2015-12-31	64
2016-03-31	50
2016-06-30	20
2016-09-30	10
2016-12-31	1
2017-03-31	5
2017-06-30	488
2017-09-30	586
2017-12-31	1332
2018-03-31	1276
2018-06-30	796
2018-09-30	537
2018-12-31	567
2019-03-31	715
2019-06-30	583
2019-09-30	1264
2019-12-31	1273
2020-03-31	900
2020-06-30	649
2020-09-30	883
2020-12-31	1005
2021-03-31	1635
2021-06-30	992
2021-09-30	983
2021-12-31	900
2022-03-31	719
2022-06-30	720
2022-09-30	884
2022-12-31	434
2023-03-31	463
2023-06-30	443
2023-09-30	482