Quarter	US dollars
2004-12-31	645
2005-03-31	1096
2005-06-30	887
2005-09-30	520
2005-12-31	577
2006-03-31	600
2006-06-30	695
2006-09-30	704
2006-12-31	853
2007-03-31	910
2007-06-30	865
2007-09-30	1004
2007-12-31	1435
2008-03-31	1109
2008-06-30	1186
2008-09-30	809
2008-12-31	1090
2009-03-31	648
2009-06-30	586
2009-09-30	486
2009-12-31	615
2010-03-31	334
2010-06-30	567
2010-09-30	652
2010-12-31	1055
2011-03-31	593
2011-06-30	525
2011-09-30	319
2011-12-31	280
2012-03-31	344
2012-06-30	339
2012-09-30	182
2012-12-31	285
2013-03-31	194
2013-06-30	205
2013-09-30	89
2013-12-31	88
2014-03-31	47
2014-06-30	82
2014-09-30	144
2014-12-31	123
2015-03-31	156
2015-06-30	104
2015-09-30	112
2015-12-31	92
2016-03-31	139
2016-06-30	133
2016-09-30	347
2016-12-31	326
2017-03-31	335
2017-06-30	190
2017-09-30	123
2017-12-31	377
2018-03-31	159
2018-06-30	120
2018-09-30	201
2018-12-31	32
2019-03-31	48
2019-06-30	4
2019-09-30	2
2019-12-31	4
2020-03-31	4
2020-06-30	7
2020-09-30	9
2020-12-31	11
2021-03-31	112
2021-06-30	93
2021-09-30	271
2021-12-31	371
2022-03-31	337
2022-06-30	339
2022-09-30	336
2022-12-31	321
2023-03-31	328
2023-06-30	268
2023-09-30	252