Quarter	US dollars
2004-12-31	655
2005-03-31	227
2005-06-30	364
2005-09-30	343
2005-12-31	700
2006-03-31	643
2006-06-30	333
2006-09-30	181
2006-12-31	-368
2007-03-31	343
2007-06-30	-213
2007-09-30	-597
2007-12-31	-896
2008-03-31	-586
2008-06-30	-597
2008-09-30	-408
2008-12-31	-237
2009-03-31	-179
2009-06-30	119
2009-09-30	710
2009-12-31	-113
2010-03-31	-9
2010-06-30	-582
2010-09-30	-406
2010-12-31	-510
2011-03-31	-592
2011-06-30	-812
2011-09-30	-846
2011-12-31	-399
2012-03-31	-895
2012-06-30	-692
2012-09-30	-486
2012-12-31	328
2013-03-31	407
2013-06-30	361
2013-09-30	395
2013-12-31	402
2014-03-31	-685
2014-06-30	111
2014-09-30	122
2014-12-31	6
2015-03-31	-196
2015-06-30	41
2015-09-30	86
2015-12-31	-276
2016-03-31	-180
2016-06-30	-20
2016-09-30	131
2016-12-31	335
2017-03-31	264
2017-06-30	-138
2017-09-30	-79
2017-12-31	-95
2018-03-31	3
2018-06-30	58
2018-09-30	9
2018-12-31	-51
2019-03-31	-39
2019-06-30	-269
2019-09-30	-721
2019-12-31	-931
2020-03-31	-77
2020-06-30	-687
2020-09-30	-677
2020-12-31	-596
2021-03-31	-640
2021-06-30	-738
2021-09-30	-796
2021-12-31	-791
2022-03-31	-95
2022-06-30	-364
2022-09-30	-834
2022-12-31	-611
2023-03-31	-727
2023-06-30	-597
2023-09-30	-555