Quarter	US dollars
2004-12-31	12
2005-03-31	4
2005-06-30	13
2005-09-30	34
2005-12-31	29
2006-03-31	24
2006-06-30	57
2006-09-30	58
2006-12-31	47
2007-03-31	39
2007-06-30	18
2007-09-30	16
2007-12-31	0
2008-03-31	-4
2008-06-30	16
2008-09-30	29
2008-12-31	6
2009-03-31	14
2009-06-30	21
2009-09-30	69
2009-12-31	36
2010-03-31	94
2010-06-30	63
2010-09-30	65
2010-12-31	70
2011-03-31	345
2011-06-30	157
2011-09-30	69
2011-12-31	53
2012-03-31	128
2012-06-30	207
2012-09-30	191
2012-12-31	409
2013-03-31	325
2013-06-30	161
2013-09-30	99
2013-12-31	-7
2014-03-31	17
2014-06-30	15
2014-09-30	2
2014-12-31	2
2015-03-31	0
2015-06-30	0
2015-09-30	2
2015-12-31	15
2016-03-31	4
2016-06-30	1
2016-09-30	1
2016-12-31	1
2017-03-31	19
2017-06-30	5
2017-09-30	85
2017-12-31	42
2018-03-31	48
2018-06-30	41
2018-09-30	53
2018-12-31	77
2019-03-31	93
2019-06-30	62
2019-09-30	86
2019-12-31	49
2020-03-31	71
2020-06-30	63
2020-09-30	40
2020-12-31	59
2021-03-31	72
2021-06-30	70
2021-09-30	93
2021-12-31	202
2022-03-31	294
2022-06-30	322
2022-09-30	211
2022-12-31	649
2023-03-31	295
2023-06-30	417
2023-09-30	348