Quarter	US dollars
2004-12-31	0
2005-03-31	2
2005-06-30	109
2005-09-30	14
2005-12-31	39
2006-03-31	184
2006-06-30	183
2006-09-30	2
2006-12-31	0
2007-03-31	63
2007-06-30	50
2007-09-30	31
2007-12-31	22
2008-03-31	14
2008-06-30	14
2008-09-30	39
2008-12-31	40
2009-03-31	10
2009-06-30	18
2009-09-30	21
2009-12-31	8
2010-03-31	20
2010-06-30	37
2010-09-30	16
2010-12-31	13
2011-03-31	117
2011-06-30	246
2011-09-30	120
2011-12-31	111
2012-03-31	101
2012-06-30	179
2012-09-30	178
2012-12-31	165
2013-03-31	185
2013-06-30	144
2013-09-30	131
2013-12-31	121
2014-03-31	157
2014-06-30	164
2014-09-30	165
2014-12-31	156
2015-03-31	187
2015-06-30	250
2015-09-30	182
2015-12-31	148
2016-03-31	188
2016-06-30	39
2016-09-30	73
2016-12-31	28
2017-03-31	90
2017-06-30	66
2017-09-30	55
2017-12-31	66
2018-03-31	81
2018-06-30	147
2018-09-30	78
2018-12-31	91
2019-03-31	117
2019-06-30	60
2019-09-30	38
2019-12-31	57
2020-03-31	47
2020-06-30	69
2020-09-30	79
2020-12-31	96
2021-03-31	255
2021-06-30	187
2021-09-30	116
2021-12-31	178
2022-03-31	461
2022-06-30	171
2022-09-30	303
2022-12-31	155
2023-03-31	135
2023-06-30	251
2023-09-30	22