Quarter	US dollars
2004-12-31	65
2005-03-31	102
2005-06-30	11
2005-09-30	21
2005-12-31	24
2006-03-31	42
2006-06-30	22
2006-09-30	24
2006-12-31	16
2007-03-31	16
2007-06-30	148
2007-09-30	22
2007-12-31	137
2008-03-31	32
2008-06-30	12
2008-09-30	68
2008-12-31	26
2009-03-31	9
2009-06-30	-3
2009-09-30	82
2009-12-31	176
2010-03-31	109
2010-06-30	287
2010-09-30	246
2010-12-31	282
2011-03-31	247
2011-06-30	311
2011-09-30	39
2011-12-31	105
2012-03-31	56
2012-06-30	794
2012-09-30	260
2012-12-31	236
2013-03-31	507
2013-06-30	44
2013-09-30	89
2013-12-31	344
2014-03-31	205
2014-06-30	176
2014-09-30	53
2014-12-31	109
2015-03-31	137
2015-06-30	77
2015-09-30	248
2015-12-31	560
2016-03-31	39
2016-06-30	32
2016-09-30	77
2016-12-31	421
2017-03-31	376
2017-06-30	1
2017-09-30	3
2017-12-31	409
2018-03-31	428
2018-06-30	114
2018-09-30	173
2018-12-31	117
2019-03-31	179
2019-06-30	165
2019-09-30	494
2019-12-31	8
2020-03-31	166
2020-06-30	158
2020-09-30	1
2020-12-31	0
2021-03-31	12
2021-06-30	6
2021-09-30	11
2021-12-31	9
2022-03-31	5
2022-06-30	73
2022-09-30	18
2022-12-31	70
2023-03-31	104
2023-06-30	2
2023-09-30	16