Quarter	US dollars
2004-12-31	186
2005-03-31	-23
2005-06-30	-30
2005-09-30	-292
2005-12-31	27
2006-03-31	40
2006-06-30	83
2006-09-30	52
2006-12-31	84
2007-03-31	124
2007-06-30	132
2007-09-30	236
2007-12-31	442
2008-03-31	252
2008-06-30	121
2008-09-30	128
2008-12-31	-17
2009-03-31	268
2009-06-30	-51
2009-09-30	-8
2009-12-31	-71
2010-03-31	-73
2010-06-30	-27
2010-09-30	-102
2010-12-31	50
2011-03-31	24
2011-06-30	-96
2011-09-30	-182
2011-12-31	-196
2012-03-31	-112
2012-06-30	-17
2012-09-30	-58
2012-12-31	-49
2013-03-31	-21
2013-06-30	-140
2013-09-30	-143
2013-12-31	114
2014-03-31	60
2014-06-30	44
2014-09-30	39
2014-12-31	-83
2015-03-31	-107
2015-06-30	2
2015-09-30	-21
2015-12-31	-33
2016-03-31	-27
2016-06-30	-20
2016-09-30	10
2016-12-31	11
2017-03-31	18
2017-06-30	44
2017-09-30	44
2017-12-31	49
2018-03-31	-8
2018-06-30	-5
2018-09-30	-44
2018-12-31	-42
2019-03-31	-47
2019-06-30	-52
2019-09-30	-51
2019-12-31	-59
2020-03-31	-60
2020-06-30	30
2020-09-30	31
2020-12-31	19
2021-03-31	19
2021-06-30	19
2021-09-30	18
2021-12-31	58
2022-03-31	80
2022-06-30	68
2022-09-30	13
2022-12-31	30
2023-03-31	80
2023-06-30	39
2023-09-30	33