Quarter	US dollars
2004-12-31	6
2005-03-31	4
2005-06-30	0
2005-09-30	545
2005-12-31	218
2006-03-31	415
2006-06-30	525
2006-09-30	361
2006-12-31	425
2007-03-31	216
2007-06-30	698
2007-09-30	778
2007-12-31	657
2008-03-31	455
2008-06-30	601
2008-09-30	652
2008-12-31	374
2009-03-31	331
2009-06-30	351
2009-09-30	355
2009-12-31	325
2010-03-31	362
2010-06-30	422
2010-09-30	476
2010-12-31	391
2011-03-31	495
2011-06-30	559
2011-09-30	502
2011-12-31	499
2012-03-31	422
2012-06-30	296
2012-09-30	239
2012-12-31	192
2013-03-31	197
2013-06-30	118
2013-09-30	149
2013-12-31	98
2014-03-31	115
2014-06-30	113
2014-09-30	70
2014-12-31	52
2015-03-31	48
2015-06-30	44
2015-09-30	94
2015-12-31	92
2016-03-31	137
2016-06-30	158
2016-09-30	138
2016-12-31	148
2017-03-31	161
2017-06-30	200
2017-09-30	129
2017-12-31	91
2018-03-31	105
2018-06-30	98
2018-09-30	87
2018-12-31	109
2019-03-31	129
2019-06-30	46
2019-09-30	41
2019-12-31	41
2020-03-31	47
2020-06-30	31
2020-09-30	88
2020-12-31	89
2021-03-31	81
2021-06-30	8
2021-09-30	8
2021-12-31	3
2022-03-31	8
2022-06-30	14
2022-09-30	14
2022-12-31	10
2023-03-31	10
2023-06-30	10
2023-09-30	9