Quarter	US dollars
2004-12-31	12
2005-03-31	9
2005-06-30	-13
2005-09-30	7
2005-12-31	5
2006-03-31	7
2006-06-30	18
2006-09-30	7
2006-12-31	6
2007-03-31	69
2007-06-30	70
2007-09-30	43
2007-12-31	24
2008-03-31	56
2008-06-30	54
2008-09-30	119
2008-12-31	92
2009-03-31	102
2009-06-30	115
2009-12-31	128
2010-03-31	103
2010-06-30	218
2010-09-30	183
2010-12-31	208
2011-03-31	188
2011-06-30	149
2011-09-30	153
2011-12-31	124
2012-03-31	105
2012-06-30	111
2012-09-30	102
2012-12-31	112
2013-03-31	97
2013-06-30	70
2013-09-30	84
2013-12-31	101
2014-03-31	65
2014-06-30	55
2014-09-30	55
2014-12-31	55
2015-03-31	62
2015-06-30	55
2015-09-30	48
2015-12-31	67
2016-03-31	83
2016-06-30	28
2016-09-30	49
2016-12-31	75
2017-03-31	76
2017-06-30	83
2017-09-30	114
2017-12-31	38
2018-03-31	65
2018-06-30	33
2018-09-30	-9
2018-12-31	26
2019-03-31	-18
2019-06-30	-6
2019-09-30	34
2019-12-31	18
2020-03-31	4
2020-06-30	17
2020-09-30	0
2020-12-31	5
2021-03-31	-4
2021-06-30	32
2021-09-30	5
2021-12-31	-5
2022-03-31	-4
2022-06-30	16
2022-09-30	26
2022-12-31	1
2023-03-31	3
2023-06-30	-8
2023-09-30	41