Quarter	US dollars
2004-12-31	44
2005-03-31	-23
2005-06-30	-30
2005-09-30	60
2005-12-31	-189
2006-03-31	-203
2006-06-30	-534
2006-09-30	-542
2006-12-31	-773
2007-03-31	-1304
2007-06-30	-1683
2007-09-30	-2005
2007-12-31	-2136
2008-03-31	-2071
2008-06-30	-2271
2008-09-30	-1987
2008-12-31	-2177
2009-03-31	-1601
2009-06-30	-1281
2009-09-30	-1048
2009-12-31	-483
2010-03-31	-619
2010-06-30	-696
2010-09-30	-594
2010-12-31	-492
2011-03-31	-563
2011-06-30	-759
2011-09-30	-486
2011-12-31	-407
2012-03-31	-136
2012-06-30	-232
2012-09-30	-15
2012-12-31	244
2013-03-31	143
2013-06-30	270
2013-09-30	290
2013-12-31	198
2014-03-31	163
2014-06-30	265
2014-09-30	146
2014-12-31	170
2015-03-31	27
2015-06-30	-17
2015-09-30	-15
2015-12-31	50
2016-03-31	-69
2016-06-30	12
2016-09-30	79
2016-12-31	43
2017-03-31	-66
2017-06-30	-174
2017-09-30	-209
2017-12-31	-77
2018-03-31	-102
2018-06-30	-149
2018-09-30	-286
2018-12-31	365
2019-03-31	-201
2019-06-30	-248
2019-09-30	-205
2019-12-31	-186
2020-03-31	-239
2020-06-30	-146
2020-09-30	-123
2020-12-31	-90
2021-03-31	-73
2021-06-30	-124
2021-09-30	-224
2021-12-31	-229
2022-03-31	-232
2022-06-30	-283
2022-09-30	-190
2022-12-31	-198
2023-03-31	-531
2023-06-30	-216
2023-09-30	-242