Quarter	US dollars
2004-12-31	13
2005-03-31	0
2005-06-30	2
2005-09-30	0
2005-12-31	14
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	0
2007-03-31	0
2007-06-30	12
2007-09-30	0
2007-12-31	0
2008-03-31	0
2008-06-30	6
2008-09-30	27
2008-12-31	12
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	5
2010-06-30	16
2010-09-30	33
2010-12-31	41
2011-03-31	1189
2011-06-30	47
2011-09-30	48
2011-12-31	34
2012-03-31	53
2012-06-30	11
2012-09-30	11
2012-12-31	24
2013-03-31	126
2013-06-30	103
2013-09-30	186
2013-12-31	421
2014-03-31	408
2014-06-30	333
2014-09-30	261
2014-12-31	145
2015-03-31	61
2015-06-30	44
2015-09-30	42
2015-12-31	40
2016-03-31	19
2016-06-30	91
2016-09-30	143
2016-12-31	175
2017-03-31	145
2017-06-30	179
2017-09-30	97
2017-12-31	396
2018-03-31	292
2018-06-30	129
2018-09-30	123
2018-12-31	222
2019-03-31	186
2019-06-30	177
2019-09-30	209
2019-12-31	232
2020-03-31	154
2020-06-30	70
2020-09-30	76
2020-12-31	74
2021-03-31	157
2021-06-30	198
2021-09-30	193
2021-12-31	213
2022-03-31	236
2022-06-30	216
2022-09-30	254
2022-12-31	219
2023-03-31	189
2023-06-30	106
2023-09-30	35