Quarter	US dollars
2004-12-31	2
2005-03-31	34
2005-06-30	27
2005-09-30	41
2005-12-31	39
2006-03-31	29
2006-06-30	37
2006-09-30	62
2006-12-31	63
2007-03-31	82
2007-06-30	102
2007-09-30	263
2007-12-31	243
2008-03-31	240
2008-06-30	380
2008-09-30	358
2008-12-31	282
2009-03-31	258
2009-06-30	239
2009-09-30	160
2009-12-31	139
2010-03-31	147
2010-06-30	317
2010-09-30	315
2010-12-31	368
2011-03-31	293
2011-06-30	295
2011-09-30	308
2011-12-31	227
2012-03-31	208
2012-06-30	179
2012-09-30	166
2012-12-31	162
2013-03-31	156
2013-06-30	99
2013-09-30	107
2013-12-31	99
2014-03-31	117
2014-06-30	125
2014-09-30	70
2014-12-31	69
2015-03-31	27
2015-06-30	24
2015-09-30	26
2015-12-31	22
2016-03-31	29
2016-06-30	17
2016-09-30	9
2016-12-31	7
2017-03-31	8
2017-06-30	5
2017-09-30	13
2017-12-31	14
2018-03-31	100
2018-06-30	13
2018-09-30	5
2018-12-31	6
2019-03-31	8
2019-06-30	9
2019-09-30	22
2019-12-31	36
2020-03-31	21
2020-06-30	21
2020-09-30	8
2020-12-31	23
2021-03-31	4
2021-06-30	15
2021-09-30	34
2021-12-31	8
2022-03-31	7
2022-06-30	6
2022-09-30	5
2022-12-31	0
2023-03-31	2
2023-06-30	3
2023-09-30	8