Quarter	US dollars
2004-12-31	-42
2005-03-31	-121
2005-06-30	-38
2005-09-30	-55
2005-12-31	-62
2006-03-31	-64
2006-06-30	-33
2006-09-30	39
2006-12-31	-14
2007-03-31	-96
2007-06-30	-26
2007-09-30	-465
2007-12-31	-561
2008-03-31	-525
2008-06-30	-826
2008-09-30	-679
2008-12-31	-335
2009-03-31	-396
2009-06-30	-375
2009-09-30	-315
2009-12-31	-221
2010-03-31	-162
2010-06-30	-292
2010-09-30	-255
2010-12-31	-227
2011-03-31	-221
2011-06-30	-63
2011-09-30	-72
2011-12-31	-82
2012-03-31	-80
2012-06-30	-9
2012-09-30	-147
2012-12-31	-293
2013-03-31	-275
2013-06-30	-258
2013-09-30	-102
2013-12-31	-73
2014-03-31	28
2014-06-30	-63
2014-09-30	-60
2014-12-31	-45
2015-03-31	-46
2015-06-30	-50
2015-09-30	-47
2015-12-31	-47
2016-03-31	-99
2016-06-30	-94
2016-09-30	-90
2016-12-31	-82
2017-03-31	-79
2017-06-30	-70
2017-09-30	-27
2017-12-31	-26
2018-03-31	-84
2018-06-30	-42
2018-09-30	-21
2018-12-31	-18
2019-03-31	-30
2019-06-30	-27
2019-09-30	-38
2019-12-31	-86
2020-03-31	-103
2020-06-30	-129
2020-09-30	-50
2020-12-31	-35
2021-03-31	-11
2021-06-30	-39
2021-09-30	9
2021-12-31	8
2022-03-31	-3
2022-06-30	2
2022-09-30	35
2022-12-31	39
2023-03-31	-19
2023-06-30	-18
2023-09-30	-18