Quarter	US dollars
2004-12-31	60
2005-03-31	55
2005-06-30	23
2005-09-30	18
2005-12-31	82
2006-03-31	16
2006-06-30	28
2006-09-30	7
2006-12-31	47
2007-03-31	2
2007-06-30	2
2007-09-30	4
2007-12-31	109
2008-03-31	97
2008-06-30	191
2008-09-30	64
2008-12-31	43
2009-03-31	70
2009-06-30	30
2009-09-30	8
2009-12-31	79
2010-03-31	5
2010-06-30	7
2010-09-30	19
2010-12-31	44
2011-03-31	5
2011-06-30	35
2011-09-30	26
2011-12-31	260
2012-03-31	21
2012-06-30	8
2012-09-30	48
2012-12-31	115
2013-03-31	9
2013-06-30	96
2013-09-30	91
2013-12-31	66
2014-03-31	27
2014-06-30	398
2014-09-30	63
2014-12-31	179
2015-03-31	322
2015-06-30	313
2015-09-30	42
2015-12-31	308
2016-03-31	37
2016-06-30	93
2016-09-30	83
2016-12-31	137
2017-03-31	29
2017-06-30	199
2017-09-30	150
2017-12-31	243
2018-03-31	290
2018-06-30	302
2018-09-30	287
2018-12-31	451
2019-03-31	547
2019-06-30	547
2019-09-30	339
2019-12-31	373
2020-03-31	613
2020-06-30	596
2020-09-30	326
2020-12-31	340
2021-03-31	281
2021-06-30	265
2021-09-30	364
2021-12-31	294
2022-03-31	305
2022-06-30	806
2022-09-30	769
2022-12-31	25
2023-03-31	17
2023-06-30	23
2023-09-30	13