Quarter	US dollars
2004-12-31	21
2005-03-31	64
2005-06-30	-22
2005-09-30	-39
2005-12-31	79
2006-03-31	113
2006-06-30	96
2006-09-30	41
2006-12-31	0
2007-03-31	-78
2007-06-30	88
2007-09-30	-2
2007-12-31	4
2008-03-31	-6
2008-06-30	30
2008-09-30	23
2008-12-31	6
2009-03-31	0
2009-06-30	3
2009-09-30	6
2009-12-31	36
2010-03-31	115
2010-06-30	75
2010-09-30	208
2010-12-31	125
2011-03-31	204
2011-06-30	72
2011-09-30	26
2011-12-31	43
2012-03-31	67
2012-06-30	72
2012-09-30	165
2012-12-31	167
2013-03-31	257
2013-06-30	171
2013-09-30	52
2013-12-31	66
2014-03-31	715
2014-06-30	691
2014-09-30	383
2014-12-31	-14
2015-03-31	-1
2015-06-30	-13
2015-09-30	-11
2015-12-31	3
2016-03-31	0
2016-06-30	11
2016-09-30	16
2016-12-31	-5
2017-03-31	1
2017-06-30	13
2017-09-30	47
2017-12-31	15
2018-03-31	11
2018-06-30	17
2018-09-30	14
2018-12-31	15
2019-03-31	29
2019-06-30	41
2019-09-30	-16
2019-12-31	-9
2020-03-31	41
2020-06-30	38
2020-09-30	10
2020-12-31	10
2021-03-31	0
2021-06-30	75
2021-09-30	120
2021-12-31	44
2022-03-31	39
2022-06-30	63
2022-09-30	69
2022-12-31	47
2023-03-31	50
2023-06-30	52
2023-09-30	70