Quarter	US dollars
2004-12-31	115
2005-03-31	91
2005-06-30	301
2005-09-30	272
2005-12-31	81
2006-03-31	116
2006-06-30	250
2006-09-30	148
2006-12-31	35
2007-03-31	43
2007-06-30	80
2007-09-30	169
2007-12-31	127
2008-03-31	99
2008-06-30	165
2008-09-30	200
2008-12-31	151
2009-03-31	128
2009-06-30	72
2009-09-30	210
2009-12-31	242
2010-03-31	205
2010-06-30	226
2010-09-30	383
2010-12-31	360
2011-03-31	101
2011-06-30	55
2011-09-30	241
2011-12-31	249
2012-03-31	134
2012-06-30	290
2012-09-30	260
2012-12-31	173
2013-03-31	336
2013-06-30	271
2013-09-30	325
2013-12-31	293
2014-03-31	137
2014-06-30	191
2014-09-30	123
2014-12-31	50
2015-03-31	42
2015-06-30	46
2015-09-30	47
2015-12-31	107
2016-03-31	70
2016-06-30	28
2016-09-30	40
2016-12-31	130
2017-03-31	96
2017-06-30	61
2017-09-30	54
2017-12-31	324
2018-03-31	157
2018-06-30	91
2018-09-30	100
2018-12-31	74
2019-03-31	86
2019-06-30	102
2019-09-30	46
2019-12-31	46
2020-03-31	96
2020-06-30	124
2020-09-30	227
2020-12-31	70
2021-03-31	87
2021-06-30	217
2021-09-30	119
2021-12-31	159
2022-03-31	91
2022-06-30	70
2022-09-30	39
2022-12-31	31
2023-03-31	38
2023-06-30	107
2023-09-30	87