Quarter	US dollars
2004-12-31	12
2005-03-31	527
2005-06-30	480
2005-09-30	60
2005-12-31	65
2006-03-31	1833
2006-06-30	144
2006-09-30	151
2006-12-31	192
2007-03-31	202
2007-06-30	112
2007-09-30	695
2007-12-31	641
2008-03-31	598
2008-06-30	111
2008-09-30	100
2008-12-31	81
2009-03-31	100
2009-06-30	107
2009-09-30	123
2009-12-31	294
2010-03-31	326
2010-06-30	320
2010-09-30	301
2010-12-31	346
2011-03-31	276
2011-06-30	278
2011-09-30	201
2011-12-31	199
2012-03-31	121
2012-06-30	184
2012-09-30	195
2012-12-31	189
2013-03-31	184
2013-06-30	174
2013-09-30	175
2013-12-31	149
2014-03-31	75
2014-06-30	67
2014-09-30	63
2014-12-31	56
2015-03-31	49
2015-06-30	44
2015-09-30	47
2015-12-31	49
2016-03-31	49
2016-06-30	105
2016-09-30	82
2016-12-31	26
2017-03-31	24
2017-06-30	21
2017-09-30	13
2017-12-31	16
2018-03-31	7
2018-06-30	7
2018-09-30	13
2018-12-31	15
2019-03-31	12
2019-06-30	18
2019-09-30	20
2019-12-31	44
2020-03-31	48
2020-06-30	83
2020-09-30	67
2020-12-31	68
2021-03-31	68
2021-06-30	15
2021-09-30	5
2021-12-31	11
2022-03-31	11
2022-06-30	38
2022-09-30	54
2022-12-31	38
2023-03-31	39
2023-06-30	9
2023-09-30	8