Quarter	US dollars
2004-12-31	52
2005-03-31	57
2005-06-30	38
2005-09-30	-159
2005-12-31	-53
2006-03-31	116
2006-06-30	107
2006-09-30	97
2006-12-31	72
2007-03-31	84
2007-06-30	-6
2007-09-30	-90
2007-12-31	-106
2008-03-31	48
2008-06-30	-645
2008-09-30	-788
2008-12-31	-433
2009-03-31	-529
2009-06-30	-540
2009-09-30	-480
2009-12-31	-118
2010-03-31	-6
2010-06-30	-298
2010-09-30	-142
2010-12-31	-174
2011-03-31	-63
2011-06-30	-175
2011-09-30	-458
2011-12-31	-507
2012-03-31	-329
2012-06-30	-267
2012-09-30	-107
2012-12-31	485
2013-03-31	474
2013-06-30	639
2013-09-30	240
2013-12-31	291
2014-03-31	323
2014-06-30	359
2014-09-30	154
2014-12-31	156
2015-03-31	241
2015-06-30	217
2015-09-30	321
2015-12-31	330
2016-03-31	293
2016-06-30	305
2016-09-30	338
2016-12-31	340
2017-03-31	223
2017-06-30	270
2017-09-30	243
2017-12-31	155
2018-03-31	138
2018-06-30	124
2018-09-30	80
2018-12-31	-13
2019-03-31	18
2019-06-30	144
2019-09-30	153
2019-12-31	73
2020-03-31	96
2020-06-30	-69
2020-09-30	-68
2020-12-31	-38
2021-03-31	-37
2021-06-30	-4
2021-09-30	-16
2021-12-31	-51
2022-03-31	13
2022-06-30	-13
2022-09-30	-65
2022-12-31	-79
2023-03-31	-39
2023-06-30	-62
2023-09-30	-99