Quarter	US dollars
2004-12-31	52
2005-03-31	62
2005-06-30	84
2005-09-30	83
2005-12-31	106
2006-03-31	101
2006-06-30	87
2006-09-30	54
2006-12-31	67
2007-03-31	157
2007-06-30	269
2007-09-30	244
2007-12-31	149
2008-03-31	141
2008-06-30	137
2008-09-30	103
2008-12-31	73
2009-03-31	60
2009-06-30	63
2009-09-30	114
2009-12-31	94
2010-03-31	99
2010-06-30	259
2010-09-30	3212
2010-12-31	4294
2011-03-31	4689
2011-06-30	4509
2011-09-30	4973
2011-12-31	4066
2012-03-31	3986
2012-06-30	3655
2012-09-30	3156
2012-12-31	3704
2013-03-31	6879
2013-06-30	5989
2013-09-30	5001
2013-12-31	3877
2014-03-31	3358
2014-06-30	3418
2014-09-30	402
2014-12-31	275
2015-03-31	325
2015-06-30	249
2015-09-30	268
2015-12-31	228
2016-03-31	184
2016-06-30	195
2016-09-30	322
2016-12-31	365
2017-03-31	421
2017-06-30	401
2017-09-30	522
2017-12-31	908
2018-03-31	881
2018-06-30	3867
2018-09-30	3948
2018-12-31	5502
2019-03-31	5882
2019-06-30	6204
2019-09-30	6334
2019-12-31	6218
2020-03-31	6333
2020-06-30	1067
2020-09-30	1193
2020-12-31	313
2021-03-31	371
2021-06-30	413
2021-09-30	498
2021-12-31	406
2022-03-31	537
2022-06-30	494
2022-09-30	487
2022-12-31	415
2023-03-31	441
2023-06-30	445
2023-09-30	456