Quarter	US dollars
2004-12-31	-75
2005-03-31	-4
2005-06-30	-79
2005-09-30	-90
2005-12-31	-17
2006-03-31	9
2006-06-30	-159
2006-09-30	-187
2006-12-31	-10
2007-03-31	67
2007-06-30	-10
2007-09-30	-29
2007-12-31	-76
2008-03-31	28
2008-06-30	0
2008-09-30	-157
2008-12-31	-108
2009-03-31	-107
2009-06-30	-110
2009-09-30	-61
2009-12-31	-105
2010-03-31	-255
2010-06-30	-73
2010-09-30	-117
2010-12-31	-185
2011-03-31	-290
2011-06-30	-381
2011-09-30	-358
2011-12-31	-317
2012-03-31	-329
2012-06-30	-284
2012-09-30	-266
2012-12-31	-21
2013-03-31	-206
2013-06-30	-218
2013-09-30	-236
2013-12-31	-139
2014-03-31	-142
2014-06-30	-130
2014-09-30	-78
2014-12-31	-103
2015-03-31	-65
2015-06-30	-30
2015-09-30	11
2015-12-31	15
2016-03-31	30
2016-06-30	30
2016-09-30	31
2016-12-31	47
2017-03-31	31
2017-06-30	19
2017-09-30	66
2017-12-31	85
2018-03-31	97
2018-06-30	94
2018-09-30	91
2018-12-31	96
2019-03-31	64
2019-06-30	64
2019-09-30	73
2019-12-31	89
2020-03-31	140
2020-06-30	158
2020-09-30	146
2020-12-31	87
2021-03-31	108
2021-06-30	141
2021-09-30	125
2021-12-31	93
2022-03-31	122
2022-06-30	113
2022-09-30	84
2022-12-31	85
2023-03-31	68
2023-06-30	81
2023-09-30	52