Quarter	US dollars
2004-12-31	142
2005-03-31	136
2005-06-30	90
2005-09-30	46
2005-12-31	60
2006-03-31	59
2006-06-30	135
2006-09-30	163
2006-12-31	102
2007-03-31	100
2007-06-30	104
2007-09-30	114
2007-12-31	86
2008-03-31	127
2008-06-30	197
2008-09-30	93
2008-12-31	40
2009-03-31	30
2009-06-30	114
2009-09-30	235
2009-12-31	121
2010-03-31	264
2010-06-30	181
2010-09-30	55
2010-12-31	91
2011-03-31	104
2011-06-30	111
2011-09-30	129
2011-12-31	456
2012-03-31	380
2012-06-30	229
2012-09-30	795
2012-12-31	411
2013-03-31	393
2013-06-30	149
2013-09-30	49
2013-12-31	40
2014-03-31	67
2014-06-30	70
2014-09-30	71
2014-12-31	50
2015-03-31	13
2015-06-30	3
2015-09-30	12
2015-12-31	7
2016-03-31	27
2016-06-30	26
2016-09-30	23
2016-12-31	18
2017-03-31	4
2017-06-30	9
2017-09-30	40
2017-12-31	46
2018-03-31	32
2018-06-30	7
2018-09-30	44
2018-12-31	17
2019-03-31	25
2019-06-30	38
2019-09-30	108
2019-12-31	30
2020-03-31	29
2020-06-30	12
2020-09-30	32
2020-12-31	44
2021-03-31	26
2021-06-30	-3
2021-09-30	40
2021-12-31	8
2022-03-31	24
2022-06-30	4
2022-09-30	30
2022-12-31	14
2023-03-31	18
2023-06-30	-1
2023-09-30	23