Quarter	US dollars
2004-12-31	65
2005-03-31	45
2005-06-30	54
2005-09-30	57
2005-12-31	57
2006-03-31	69
2006-06-30	68
2006-09-30	37
2006-12-31	22
2007-03-31	18
2007-06-30	50
2007-09-30	57
2007-12-31	38
2008-03-31	81
2008-06-30	109
2008-09-30	30
2008-12-31	43
2009-03-31	52
2009-06-30	166
2009-09-30	205
2009-12-31	81
2010-03-31	97
2010-06-30	793
2010-09-30	969
2010-12-31	1093
2011-03-31	1375
2011-06-30	1405
2011-09-30	971
2011-12-31	348
2012-03-31	302
2012-06-30	268
2012-09-30	790
2012-12-31	441
2013-03-31	484
2013-06-30	212
2013-09-30	374
2013-12-31	307
2014-03-31	188
2014-06-30	233
2014-09-30	131
2014-12-31	326
2015-03-31	107
2015-06-30	233
2015-09-30	501
2015-12-31	132
2016-03-31	226
2016-06-30	309
2016-09-30	352
2016-12-31	267
2017-03-31	141
2017-06-30	81
2017-09-30	149
2017-12-31	103
2018-03-31	66
2018-06-30	74
2018-09-30	82
2018-12-31	158
2019-03-31	134
2019-06-30	182
2019-09-30	230
2019-12-31	408
2020-03-31	384
2020-06-30	358
2020-09-30	295
2020-12-31	349
2021-03-31	629
2021-06-30	1881
2021-09-30	609
2021-12-31	929
2022-03-31	1469
2022-06-30	759
2022-09-30	255
2022-12-31	289
2023-03-31	303
2023-06-30	804
2023-09-30	381