Quarter	US dollars
2004-12-31	-69
2005-03-31	-153
2005-06-30	36
2005-09-30	16
2005-12-31	0
2006-03-31	9
2006-06-30	-115
2006-09-30	47
2006-12-31	10
2007-03-31	-61
2007-06-30	-411
2007-09-30	-422
2007-12-31	-317
2008-03-31	-74
2008-06-30	-599
2008-09-30	-814
2008-12-31	-492
2009-03-31	-956
2009-06-30	-886
2009-09-30	-772
2009-12-31	-544
2010-03-31	-714
2010-06-30	-560
2010-09-30	-670
2010-12-31	-1096
2011-03-31	-643
2011-06-30	-1848
2011-09-30	-2337
2011-12-31	-3619
2012-03-31	-1959
2012-06-30	-2983
2012-09-30	-1103
2012-12-31	-370
2013-03-31	111
2013-06-30	-702
2013-09-30	-998
2013-12-31	-721
2014-03-31	-15
2014-06-30	-574
2014-09-30	-251
2014-12-31	-112
2015-03-31	53
2015-06-30	-113
2015-09-30	-55
2015-12-31	-41
2016-03-31	-29
2016-06-30	82
2016-09-30	47
2016-12-31	5
2017-03-31	0
2017-06-30	-68
2017-09-30	85
2017-12-31	55
2018-03-31	27
2018-06-30	18
2018-09-30	-313
2018-12-31	10
2019-03-31	104
2019-06-30	-213
2019-09-30	-208
2019-12-31	-221
2020-03-31	-505
2020-06-30	-562
2020-09-30	-477
2020-12-31	-414
2021-03-31	-385
2021-06-30	-351
2021-09-30	-302
2021-12-31	-270
2022-03-31	-478
2022-06-30	-819
2022-09-30	-1272
2022-12-31	-478
2023-03-31	-398
2023-06-30	-356
2023-09-30	-215