Quarter	US dollars
2004-12-31	182
2005-03-31	164
2005-06-30	276
2005-09-30	255
2005-12-31	415
2006-03-31	297
2006-06-30	200
2006-09-30	276
2006-12-31	209
2007-03-31	533
2007-06-30	255
2007-09-30	1033
2007-12-31	480
2008-03-31	276
2008-06-30	245
2008-09-30	103
2008-12-31	122
2009-03-31	238
2009-06-30	331
2009-09-30	203
2009-12-31	119
2010-03-31	56
2010-06-30	109
2010-09-30	150
2010-12-31	153
2011-03-31	192
2011-06-30	271
2011-09-30	243
2011-12-31	360
2012-03-31	307
2012-06-30	1399
2012-09-30	488
2012-12-31	453
2013-03-31	492
2013-06-30	405
2013-09-30	232
2013-12-31	441
2014-03-31	122
2014-06-30	906
2014-09-30	131
2014-12-31	198
2015-03-31	160
2015-06-30	118
2015-09-30	479
2015-12-31	612
2016-03-31	561
2016-06-30	586
2016-09-30	498
2016-12-31	453
2017-03-31	14
2017-06-30	27
2017-09-30	5
2017-12-31	3
2018-03-31	17
2018-06-30	15
2018-09-30	23
2018-12-31	8
2019-03-31	26
2019-06-30	22
2019-09-30	30
2019-12-31	252
2020-03-31	361
2020-06-30	250
2020-09-30	93
2020-12-31	112
2021-03-31	597
2021-06-30	719
2021-09-30	92
2021-12-31	81
2022-03-31	26
2022-06-30	391
2022-09-30	23
2022-12-31	19
2023-03-31	27
2023-06-30	640
2023-09-30	2