Quarter	US dollars
2004-12-31	21
2005-03-31	-15
2005-06-30	18
2005-09-30	-2
2005-12-31	26
2006-03-31	14
2006-06-30	7
2006-09-30	43
2006-12-31	20
2007-03-31	-84
2007-06-30	-159
2007-09-30	-6
2007-12-31	115
2008-03-31	123
2008-06-30	119
2008-09-30	14
2008-12-31	23
2009-03-31	50
2009-06-30	25
2009-09-30	50
2009-12-31	47
2010-03-31	9
2010-06-30	-30
2010-09-30	-28
2010-12-31	-25
2011-03-31	-24
2011-06-30	-43
2011-09-30	-50
2011-12-31	-65
2012-03-31	-77
2012-06-30	-66
2012-09-30	47
2012-12-31	-146
2013-03-31	-120
2013-06-30	-120
2013-09-30	-154
2013-12-31	-159
2014-03-31	-173
2014-06-30	-150
2014-09-30	-101
2014-12-31	-133
2015-03-31	-116
2015-06-30	-31
2015-09-30	-65
2015-12-31	-3
2016-03-31	27
2016-06-30	19
2016-09-30	48
2016-12-31	39
2017-03-31	160
2017-06-30	-751
2017-09-30	-856
2017-12-31	-1088
2018-03-31	-829
2018-06-30	-1176
2018-09-30	-1051
2018-12-31	-864
2019-03-31	-843
2019-06-30	-929
2019-09-30	-833
2019-12-31	-1005
2020-03-31	-928
2020-06-30	-758
2020-09-30	-955
2020-12-31	-788
2021-03-31	-941
2021-06-30	-1137
2021-09-30	-1145
2021-12-31	-1257
2022-03-31	-1396
2022-06-30	-1059
2022-09-30	-920
2022-12-31	-1139
2023-03-31	-963
2023-06-30	-984
2023-09-30	-1054