Quarter	US dollars
2004-12-31	65
2005-03-31	81
2005-06-30	84
2005-09-30	74
2005-12-31	115
2006-03-31	128
2006-06-30	128
2006-09-30	114
2006-12-31	151
2007-03-31	116
2007-06-30	96
2007-09-30	153
2007-12-31	119
2008-03-31	221
2008-06-30	193
2008-09-30	134
2008-12-31	68
2009-03-31	155
2009-06-30	107
2009-09-30	109
2009-12-31	142
2010-03-31	126
2010-06-30	203
2010-09-30	180
2010-12-31	197
2011-03-31	189
2011-06-30	209
2011-09-30	235
2011-12-31	187
2012-03-31	184
2012-06-30	184
2012-09-30	187
2012-12-31	134
2013-03-31	111
2013-06-30	133
2013-09-30	96
2013-12-31	99
2014-03-31	28
2014-06-30	96
2014-09-30	62
2014-12-31	55
2015-03-31	39
2015-06-30	66
2015-09-30	86
2015-12-31	53
2016-03-31	6
2016-06-30	8
2016-09-30	6
2016-12-31	4
2017-03-31	138
2017-06-30	214
2017-09-30	126
2017-12-31	99
2018-03-31	97
2018-06-30	123
2018-09-30	123
2018-12-31	143
2019-03-31	87
2019-06-30	113
2019-09-30	74
2019-12-31	57
2020-03-31	41
2020-06-30	35
2020-09-30	58
2020-12-31	52
2021-03-31	46
2021-06-30	40
2021-09-30	59
2021-12-31	42
2022-03-31	34
2022-06-30	58
2022-09-30	66
2022-12-31	74
2023-03-31	83
2023-06-30	75
2023-09-30	47