Quarter	US dollars
2004-12-31	165
2005-03-31	59
2005-06-30	188
2005-09-30	191
2005-12-31	110
2006-03-31	106
2006-06-30	131
2006-09-30	39
2006-12-31	53
2007-03-31	49
2007-06-30	26
2007-09-30	118
2007-12-31	133
2008-03-31	2
2008-06-30	-44
2008-09-30	-39
2008-12-31	1
2009-03-31	47
2009-06-30	44
2009-09-30	99
2009-12-31	15
2010-03-31	-62
2010-06-30	135
2010-09-30	8
2010-12-31	23
2011-03-31	128
2011-06-30	143
2011-09-30	262
2011-12-31	119
2012-03-31	-8
2012-06-30	5
2012-09-30	5
2012-12-31	-42
2013-03-31	-135
2013-06-30	-2
2013-09-30	-21
2013-12-31	60
2014-03-31	143
2014-06-30	32
2014-09-30	21
2014-12-31	53
2015-03-31	85
2015-06-30	82
2015-09-30	-29
2015-12-31	-80
2016-03-31	-106
2016-06-30	-142
2016-09-30	-156
2016-12-31	-86
2017-03-31	-108
2017-06-30	-127
2017-09-30	-130
2017-12-31	-123
2018-03-31	-138
2018-06-30	-145
2018-09-30	-130
2018-12-31	-111
2019-03-31	-107
2019-06-30	-127
2019-09-30	-144
2019-12-31	-119
2020-03-31	-60
2020-06-30	-93
2020-09-30	-106
2020-12-31	-121
2021-03-31	-117
2021-06-30	-40
2021-09-30	-32
2021-12-31	-22
2022-03-31	-7
2022-06-30	7
2022-09-30	24
2022-12-31	6
2023-03-31	13
2023-06-30	-17
2023-09-30	5