Quarter	US dollars
2004-12-31	-58
2005-03-31	-64
2005-06-30	-73
2005-09-30	-76
2005-12-31	-94
2006-03-31	-94
2006-06-30	-98
2006-09-30	-97
2006-12-31	-94
2007-03-31	-88
2007-06-30	-82
2007-09-30	-69
2007-12-31	-88
2008-03-31	-81
2008-06-30	-100
2008-09-30	-70
2008-12-31	-43
2009-03-31	136
2009-06-30	142
2009-09-30	150
2009-12-31	192
2010-03-31	231
2010-06-30	215
2010-09-30	101
2010-12-31	150
2011-03-31	72
2011-06-30	119
2011-09-30	248
2011-12-31	232
2012-03-31	58
2012-06-30	-3
2012-09-30	-69
2012-12-31	129
2013-03-31	194
2013-06-30	290
2013-09-30	202
2013-12-31	88
2014-03-31	132
2014-06-30	101
2014-09-30	167
2014-12-31	179
2015-03-31	16
2015-06-30	87
2015-09-30	188
2015-12-31	247
2016-03-31	184
2016-06-30	90
2016-09-30	86
2016-12-31	255
2017-03-31	224
2017-06-30	14
2017-09-30	-146
2017-12-31	-312
2018-03-31	-361
2018-06-30	-362
2018-09-30	-399
2018-12-31	-400
2019-03-31	-351
2019-06-30	-521
2019-09-30	-474
2019-12-31	-489
2020-03-31	-403
2020-06-30	-486
2020-09-30	-563
2020-12-31	-583
2021-03-31	-516
2021-06-30	-446
2021-09-30	-411
2021-12-31	-427
2022-03-31	-811
2022-06-30	-689
2022-09-30	-592
2022-12-31	-572
2023-03-31	-812
2023-06-30	-687
2023-09-30	-769