Quarter	US dollars
2004-12-31	58
2005-03-31	53
2005-06-30	36
2005-09-30	37
2005-12-31	12
2006-03-31	45
2006-06-30	78
2006-09-30	71
2008-12-31	137
2010-06-30	124
2012-12-31	404
2013-03-31	642
2013-06-30	595
2013-09-30	627
2013-12-31	195
2014-03-31	327
2014-06-30	301
2014-09-30	295
2014-12-31	292
2015-03-31	282
2015-06-30	291
2015-09-30	303
2015-12-31	307
2016-03-31	144
2016-06-30	36
2016-09-30	27
2016-12-31	27
2017-03-31	30
2017-06-30	25
2017-09-30	40
2017-12-31	46
2018-03-31	41
2018-06-30	16
2018-09-30	31
2018-12-31	33
2019-03-31	-4
2019-06-30	8
2019-09-30	14
2019-12-31	-16
2020-03-31	12
2020-06-30	-9
2020-09-30	6
2020-12-31	7
2021-03-31	7
2021-06-30	26
2021-09-30	-3
2021-12-31	16
2022-03-31	5
2022-06-30	-2
2022-09-30	21
2022-12-31	-3
2023-03-31	13
2023-06-30	20
2023-09-30	-10