Quarter	US dollars
2004-12-31	108
2005-03-31	9
2005-06-30	32
2005-09-30	50
2005-12-31	29
2006-03-31	33
2006-06-30	135
2006-09-30	151
2006-12-31	76
2007-03-31	102
2007-06-30	128
2007-09-30	212
2007-12-31	191
2008-03-31	175
2008-06-30	171
2008-09-30	128
2008-12-31	427
2009-03-31	593
2009-06-30	344
2009-09-30	219
2009-12-31	184
2010-03-31	212
2010-06-30	118
2010-09-30	321
2010-12-31	313
2011-03-31	263
2011-06-30	275
2011-09-30	142
2011-12-31	51
2012-03-31	149
2012-06-30	271
2012-09-30	266
2012-12-31	265
2013-03-31	79
2013-06-30	77
2013-09-30	42
2013-12-31	66
2014-03-31	65
2014-06-30	68
2014-09-30	139
2014-12-31	192
2015-03-31	131
2015-06-30	131
2015-09-30	67
2015-12-31	68
2016-03-31	157
2016-06-30	211
2016-09-30	235
2016-12-31	427
2017-03-31	584
2017-06-30	179
2017-09-30	216
2017-12-31	232
2018-03-31	463
2018-06-30	474
2018-09-30	468
2018-12-31	281
2019-03-31	192
2019-06-30	345
2019-09-30	598
2019-12-31	432
2020-03-31	198
2020-06-30	100
2020-09-30	90
2020-12-31	120
2021-03-31	302
2021-06-30	455
2021-09-30	275
2021-12-31	284
2022-03-31	351
2022-06-30	1025
2022-09-30	859
2022-12-31	781
2023-03-31	990
2023-06-30	600
2023-09-30	372