Quarter	US dollars
2004-12-31	505
2005-03-31	431
2005-06-30	321
2005-09-30	377
2005-12-31	347
2006-03-31	359
2006-06-30	248
2006-09-30	97
2006-12-31	-106
2007-03-31	194
2007-06-30	84
2007-09-30	47
2007-12-31	-2
2008-03-31	-183
2008-06-30	-438
2008-09-30	-592
2008-12-31	-792
2009-03-31	-923
2009-06-30	-1033
2009-09-30	-518
2009-12-31	-1279
2010-03-31	-654
2010-06-30	-982
2010-09-30	-1035
2010-12-31	-1096
2011-03-31	-737
2011-06-30	-946
2011-09-30	-888
2011-12-31	-566
2012-03-31	-789
2012-06-30	-668
2012-09-30	-680
2012-12-31	-204
2013-03-31	-255
2013-06-30	-359
2013-09-30	-202
2013-12-31	-174
2014-03-31	-107
2014-06-30	-123
2014-09-30	169
2014-12-31	139
2015-03-31	117
2015-06-30	-181
2015-09-30	-151
2015-12-31	-129
2016-03-31	-127
2016-06-30	-125
2016-09-30	-114
2016-12-31	240
2017-03-31	204
2017-06-30	356
2017-09-30	303
2017-12-31	34
2018-03-31	-121
2018-06-30	-110
2018-09-30	-73
2018-12-31	-46
2019-03-31	40
2019-06-30	-94
2019-09-30	-128
2019-12-31	-70
2020-03-31	-12
2020-06-30	-37
2020-09-30	-45
2020-12-31	-94
2021-03-31	-135
2021-06-30	-51
2021-09-30	-249
2021-12-31	-247
2022-03-31	201
2022-06-30	-352
2022-09-30	-255
2022-12-31	-263
2023-03-31	-261
2023-06-30	-264
2023-09-30	-261