Quarter	US dollars
2011-06-30	-63
2011-09-30	-95
2011-12-31	-77
2012-03-31	-82
2012-06-30	-83
2012-09-30	-82
2012-12-31	-149
2013-03-31	-146
2013-06-30	64
2013-09-30	188
2013-12-31	126
2014-03-31	-12
2014-06-30	130
2014-09-30	-118
2014-12-31	-123
2015-03-31	46
2015-06-30	-53
2015-09-30	-64
2015-12-31	-47
2016-03-31	-89
2016-06-30	-83
2016-09-30	-268
2016-12-31	-30
2017-03-31	3
2017-06-30	9
2017-09-30	-55
2017-12-31	-55
2018-03-31	20
2018-06-30	20
2018-09-30	17
2018-12-31	11
2019-03-31	21
2019-06-30	24
2019-09-30	15
2019-12-31	3
2020-03-31	6
2020-06-30	31
2020-09-30	32
2020-12-31	35
2021-03-31	36
2021-06-30	36
2021-09-30	35
2021-12-31	35
2022-03-31	34
2022-06-30	5
2022-09-30	-25
2022-12-31	-17
2023-03-31	-12
2023-06-30	-13
2023-09-30	1