Quarter	US dollars
2004-12-31	94
2005-03-31	87
2005-06-30	201
2005-09-30	354
2005-12-31	541
2006-03-31	730
2006-06-30	988
2006-09-30	1345
2006-12-31	305
2007-03-31	220
2007-06-30	520
2007-09-30	978
2007-12-31	643
2008-03-31	1157
2008-06-30	1093
2008-09-30	773
2008-12-31	438
2009-03-31	414
2009-06-30	375
2009-09-30	437
2009-12-31	4064
2010-03-31	3592
2010-06-30	2337
2010-09-30	2834
2010-12-31	683
2011-03-31	1167
2011-06-30	951
2011-09-30	70
2011-12-31	19
2012-03-31	16
2012-06-30	35
2012-09-30	31
2012-12-31	11
2013-03-31	12
2013-06-30	11
2013-09-30	5
2013-12-31	200
2014-03-31	213
2014-06-30	258
2014-09-30	88
2014-12-31	12
2015-03-31	12
2015-06-30	2
2015-09-30	6
2015-12-31	0
2016-03-31	162
2016-06-30	121
2016-09-30	114
2016-12-31	119
2017-03-31	-3
2017-06-30	8
2017-09-30	101
2017-12-31	184
2018-03-31	11
2018-06-30	4
2018-09-30	7
2018-12-31	3
2019-03-31	7
2019-06-30	5
2019-09-30	18
2019-12-31	17
2020-03-31	63
2020-06-30	20
2020-09-30	10
2020-12-31	19
2021-03-31	1
2021-06-30	28
2021-09-30	24
2021-12-31	30
2022-03-31	8
2022-06-30	32
2022-09-30	49
2022-12-31	47
2023-03-31	46
2023-06-30	48
2023-09-30	51